{"title":"Yoshi Exhaust - Mx Locker","description":"","products":[{"product_id":"yoshimura-rs-9t-stainless-carbon-full-system","title":"Yoshimura RS-9T Dual Stainless\/Carbon Full Exhaust System - 17-20 CRF450R\/RX","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2017-2020 CRF 450R\/RX\u003c\/p\u003e\n\u003cp\u003e2022 CRF 450R-S\u003c\/p\u003e\n\u003ch4\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eThe CRF450R's new engine and muffler configuration gave us the opportunity to create an entirely new system built specifically for the new CRF450 machines. Introducing our all-new Signature Series RS-9T tapered dual muffler exhaust system for the all new CRF450R.\u003c\/p\u003e\n\u003cp\u003eYoshimura has been working tirelessly on development with American Honda HRC's engineers to achieve maximum performance and mass centralization, to optimize rider usability. Yoshimura achieved all this by moving the new RS-9T mufflers forward in order to tuck in under the side number plates. Working with HRC race engineers and the all-new 449cc Unicam engine and its unique downdraft fuel injection system, Yoshimura was able to deliver an exhaust that provides more tractable power and improved torque.\u003c\/p\u003e\n\u003cp\u003eNote: Yoshimura does not include Spark Arrestor inserts for the RS-9T Systems for this models. They are available for purchase separately. \u003c\/p\u003e\n\u003cp\u003eSome features on the new RS-9T dual tapered muffler CRF450R\/RX system include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDyno and track tested by Honda R\u0026amp;D in Japan, American Honda MX Team, and HRC All Japan MX Racing Team.\u003c\/li\u003e\n\u003cli\u003e3-stage header provides broader overall range of power and throttle response.\u003c\/li\u003e\n\u003cli\u003eNew tail pipe divider creates smoother exhaust flow and better velocity to the right and left tail pipe.\u003c\/li\u003e\n\u003cli\u003eNew compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization. *Larger RS-9T core creates improved throttle response, and power in mid and top end.\u003c\/li\u003e\n\u003cli\u003eNew RS-9T mufflers have more volume than stock to provide a decrease in overall dB noise level.\u003c\/li\u003e\n\u003cli\u003eWorks with or without Honda's new optional electric start system.\u003c\/li\u003e\n\u003cli\u003eStainless Steel Tail-pipe.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":31633430609981,"sku":"225840R520","price":1219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/22843AR520_C_L_900x_2f336236-7a99-49d1-9649-128f04452c61.jpg?v=1742934508"},{"product_id":"yoshimura-rs-4-stainless-aluminum-full-system","title":"Yoshimura RS-4 Stainless\/Aluminum Full System","description":"\u003cstrong\u003eSpecs:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eRace-ready stainless steel and aluminum exhaust system for your 4 stroke dirt bike\u003c\/li\u003e\n\u003cli\u003eIncreases mid and high-end power\u003c\/li\u003e\n\u003cli\u003eAMA-approved sound insert comes installed\u003c\/li\u003e\n\u003cli\u003eTapered header pipe optimizes exhaust flow\u003c\/li\u003e\n\u003cli\u003eLightweight aluminum pentagonal canister body\u003c\/li\u003e\n\u003cli\u003ePolyresonant chamber lowers decibels\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage baffle\u003c\/li\u003e\n\u003cli\u003eCarbon fiber end cap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Suzuki \/ 2008-2017 RMZ450","offer_id":31636137082941,"sku":"219200D320","price":789.0,"currency_code":"USD","in_stock":false},{"title":"Kawasaki \/ 2017-2020 KX250F","offer_id":31644241395773,"sku":"242930D320","price":789.0,"currency_code":"USD","in_stock":true},{"title":"Yamaha \/ 2018-2019 YZ450F \/ 2019-2020 WR450F \/ 2019 YZ450FX","offer_id":31644244082749,"sku":"234820D320","price":899.0,"currency_code":"USD","in_stock":false},{"title":"Honda \/ 2019-2025 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end.\u003c\/li\u003e\n\u003cli\u003eNew RS-9T mufflers have more volume than stock to provide a decrease in overall dB noise level.\u003c\/li\u003e\n\u003cli\u003eWorks with or without Honda's new optional electric start system.\u003c\/li\u003e\n\u003cli\u003eStainless Steel Tail-pipe.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Honda \/ 2018-2019 CRF250R\/RX","offer_id":31641341624381,"sku":"22843BR520","price":989.0,"currency_code":"USD","in_stock":true},{"title":"Honda \/ 2020-2021 CRF250R","offer_id":31641357811773,"sku":"22844BR520","price":1069.0,"currency_code":"USD","in_stock":false},{"title":"Honda \/ 2017-2018 CRF450R\/RX","offer_id":31641333203005,"sku":"225832R520","price":979.0,"currency_code":"USD","in_stock":true},{"title":"Honda \/ 2019-2020 CRF450R\/RX","offer_id":31641343950909,"sku":"225842R520","price":859.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/C35F773B-34A6-43D4-B2E9-BF65E58B989D.jpg?v=1585896800"},{"product_id":"yoshimura-rs-4-stainless-aluminum-slip-on-exhaust","title":"Yoshimura RS-4 Stainless\/Aluminum Slip-On Exhaust","description":"\u003ch5 _ngcontent-c24=\"\"\u003eFeatures\u003c\/h5\u003e\n\u003cul _ngcontent-c24=\"\" class=\"pl-3\"\u003e\n\u003cli _ngcontent-c24=\"\" class=\"ng-star-inserted\"\u003eAll Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels\u003c\/li\u003e\n\u003cli _ngcontent-c24=\"\" class=\"ng-star-inserted\"\u003eDo not require changing the motorcycle's emissions control systems\u003c\/li\u003e\n\u003cli _ngcontent-c24=\"\" class=\"ng-star-inserted\"\u003eCARB and EPA emissions \"Replacement Parts\"\u003c\/li\u003e\n\u003cli _ngcontent-c24=\"\" class=\"ng-star-inserted\"\u003eCertified by independent laboratory for EPA noise levels\u003c\/li\u003e\n\u003cli _ngcontent-c24=\"\" class=\"ng-star-inserted\"\u003eDelivers huge power at a very light weight\u003c\/li\u003e\n\u003cli _ngcontent-c24=\"\" class=\"ng-star-inserted\"\u003eUniquely-styled pentagonal muffler body with a carbon fiber cone end cap\u003c\/li\u003e\n\u003cli _ngcontent-c24=\"\" class=\"ng-star-inserted\"\u003eFront cap design functions as a polyresonant chamber to lower dB output while improving mid- to top-end power\u003c\/li\u003e\n\u003cli _ngcontent-c24=\"\" class=\"ng-star-inserted\"\u003eTwo-staged, stepped baffle\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Kawasaki \/ 2019-2022 KX450","offer_id":31642523926589,"sku":"244722D320","price":589.0,"currency_code":"USD","in_stock":false},{"title":"Kawasaki \/ 2017-2020 KX250F","offer_id":31642633601085,"sku":"242932D320","price":619.0,"currency_code":"USD","in_stock":true},{"title":"Suzuki \/ 2018-2023 RMZ450","offer_id":31642636222525,"sku":"219222D320","price":529.0,"currency_code":"USD","in_stock":false},{"title":"Suzuki \/ 2008-2017 RMZ450","offer_id":31642643234877,"sku":"219202D320","price":469.0,"currency_code":"USD","in_stock":false},{"title":"Yamaha \/ 2018-2022 YZ450F \/ 2019-2022 WR450F \/ 2019-2022 YZ450FX","offer_id":31642664960061,"sku":"234832D320","price":669.0,"currency_code":"USD","in_stock":true},{"title":"Yamaha \/ 2014-2017 YZ450F \/ 2016-2017 YZ450FX \/ 2016-2018 WR450F","offer_id":31642654375997,"sku":"234812D321","price":669.0,"currency_code":"USD","in_stock":false},{"title":"Yamaha \/ 2019-2022 YZ250F \/ 20-22 YZ250FX \/ 20-22 WR250F","offer_id":31642714406973,"sku":"231022D320","price":659.0,"currency_code":"USD","in_stock":true},{"title":"Honda \/ 2019-2022 CRF450X","offer_id":31655834157117,"sku":"224502D320","price":649.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/A9501BF5-7E87-49C1-BDF5-7D3000C08E5C.jpg?v=1585946115"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-system","title":"Yoshimura RS-12 Stainless\/Aluminum Full Exhaust System - 19-25 RMZ250","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2019-2025 RMZ 250\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eProudly designed, developed and made in the USA!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRubber mounted RS-12 muffler dampens vibration to subframe\u003c\/li\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined power delivery.\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arrestors.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eThis product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eAttention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":32012789186621,"sku":"218320S320","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/3a21-5df7fe11a21f1.jpg?v=1613349327"},{"product_id":"yoshimura-rs-9t-stainless-carbon-full-system-1","title":"Yoshimura RS-9T Full Exhaust System - CRF110","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2019-2025 CRF 110F\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eEnduro Series Exhaust - Includes Spark Arrestor\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDyno and track tested by Honda R\u0026amp;D in Japan, American Honda MX Team, and HRC All Japan MX Racing Team.\u003c\/li\u003e\n\u003cli\u003e3-stage header provides broader overall range of power and throttle response.\u003c\/li\u003e\n\u003cli\u003eNew tail pipe divider creates smoother exhaust flow and better velocity to the right and left tail pipe.\u003c\/li\u003e\n\u003cli\u003eNew compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization. *Larger RS-9T core creates improved throttle response, and power in mid and top end.\u003c\/li\u003e\n\u003cli\u003eNew RS-9T mufflers have more volume than stock to provide a decrease in overall dB noise level.\u003c\/li\u003e\n\u003cli\u003eWorks with or without Honda's new optional electric start system.\u003c\/li\u003e\n\u003cli\u003eStainless Steel Tail-pipe.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":32875983011901,"sku":"221110R520","price":629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/image_71a42deb-a44f-493f-a4e0-ea4c1e8254e5.jpg?v=1632012983"},{"product_id":"yoshimura-rs-2-stainless-aluminum-full-system","title":"Yoshimura RS-2 Stainless\/Aluminum Full System - 19-25 CRF250F","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2019-2025 CRF 250F\u003c\/p\u003e\n\u003ch3 class=\"section__title-text product-single__title-text\"\u003eRS-2 Stainless Full Exhaust, w\/ Aluminum Muffler\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Honda CRF250F is an all-new bike for 2019 and it's a great trail bike that inspires a ton of fun. Here at Yoshimura it inspires us to provide this bike with even more fun!\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe 249cc air cooled EFI engine produces a nice base for adding good power to this great trail bike. We developed a stainless system with our updated RS-2 muffler and the new 250F responded nicely adding more HP and Torque through the entire power curve. \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eAs part of our Enduro Series line which includes an installed spark arrester, this system is 100% ready to go on trails in all 50 states.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eBenefits for the CRF250F Yoshimura RS-2 system include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSignificant power gains with the RS-2 full system\u003c\/li\u003e\n\u003cli\u003eRevised RS-2 muffler\u003c\/li\u003e\n\u003cli\u003eUSFS spark arrester included and installed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003eProudly made in the USA!\u003c\/div\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":39271822393539,"sku":"222500C350","price":749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/222500C350_CRF250F_19_RS2_FS_SS_AL_SS_3Gray_2048x2048_b468dd08-513a-442a-9fb5-7f15a8d798b5.webp?v=1738616077"},{"product_id":"yoshimura-rs-2-stainless-carbon-full-system","title":"Yoshimura RS-2 Stainless\/Carbon Full System - KLX110","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2004-2024 KLX 110\/L\u003c\/p\u003e\n\u003ch4\u003e\n\u003cbr\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eThe RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery.\u003c\/p\u003e\n\u003cp\u003eWith a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core - and it offers the added bonus of outstanding performance in a value-priced package.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eLarge core and increased muffler packing volume means quieter operation\u003c\/li\u003e\n\u003cli\u003eStainless steel cone end-cap\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003cli\u003eUSFS Approved spark arrester included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":39274561274051,"sku":"2430522","price":539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/IMG_5280.jpg?v=1633629786"},{"product_id":"yoshimura-rs-9-stainless-aluminum-full-system","title":"Yoshimura RS-9 Stainless\/Aluminum Full Exhaust System - KLX140","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2011-2024 KLX 140\/L\/G\/R\/RL\/RF\u003c\/p\u003e\n\u003ch4\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eKawasaki recently revamped the KLX-140 line up of trail bikes, and now Yoshimura has a full system for all three wheel sizes of the mean green trail machine 140, 140L and 140G. This new RS-9 Enduro Series full system not only increases the power, and torque, it reduces weight over the stock system. Unmistakable is the one of a kind look of the RS-9, add to that the legendary Yoshimura exhaust note and it's over!\u003c\/p\u003e\n\u003cp\u003eA laser cut heat shield and a USFS Approved spark arrester is included with this system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eParallelogram-shaped muffler\u003c\/li\u003e\n\u003cli\u003eIncreased muffler volume over stock system, resulting in better throttle response and improved noise cancellation\u003c\/li\u003e\n\u003cli\u003eLight-weight muffler construction with carbon fiber end-cap\u003c\/li\u003e\n\u003cli\u003eReduced weight over OEM system: Yoshimura Full System weight 5.6 lbs vs Stock System weight 6.7 lbs\u003c\/li\u003e\n\u003cli\u003eStainless Full Exhaust with Aluminum Muffler \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":39380760559811,"sku":"24140AH320","price":619.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/24140AH320_KLX140_11-17_RS9_FS_SS-AL-CF_WF_B1_2048x2048_c3773e19-e051-42bb-94f4-dee00614cae7.jpg?v=1615591090"},{"product_id":"yoshimura-fender-eliminator-kit","title":"Yoshimura V2 Fender Eliminator Kit - 19-25 CRF450L\/RL","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2019-2025 CRF450L\/RL\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eNew for the CRF450L \/ RL, our V2 Fender Eliminator Kits are redesigned from the ground up with the concept of enabling you to choose only the accessories that YOU want.\u003c\/p\u003e\n\u003cp\u003eThe kit starts off with a redesigned base which includes model specific plug and play wiring for the custom LED tail light assembly. 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USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAdd your optional accessories as you want!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLicense Plate Frame\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf there ever was a Factory Racing license plate frame, this would be it. Made of aircraft grade aluminum, stamped then anodized then silk screened with one of the most successful motorcycle racing brands in the world. This is how you represent.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorks Titanium Bolts for license plate\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMade in USA from a prominent titanium bolt manufacture, these bolts will add style and class to your license plate. 3 colors to choose from.\u003c\/p\u003e\n\u003cp\u003eThere you have it; Now you can build your own Fender Eliminator Kit how \u003cem\u003eYOU\u003c\/em\u003e want it, all with nothing left in your tool box you don't need! All proudly made in the USA in Chino, Ca.\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":39448351310019,"sku":"075BG124500","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/075BG124500_OEM_no_frame_l_2048x2048_84751dc8-f1cb-4afb-a0c6-fb216dde02d0.webp?v=1764787528"},{"product_id":"yoshimura-race-series-rs-4-stainless-stainless-full-system","title":"Yoshimura Race Series RS-4S Stainless Full System - 2017-2020 CRF250L\/Rally","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2017-2020 CRF 250L\/Rally\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: Due to CA emissions, this Exhaust is not available to CA residents.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNow Honda has two versions of their popular dual sport - the CRF250L and CRF250L Rally. Both pack a nice punch with dual overhead cams on a fuel injected 249cc power plant, and the styling is 100% on the mark.\u003c\/p\u003e\n\u003cp\u003eNow Yoshimura introduces the RS-4 Race Series full system for the new dual sport machine. By giving the new CRF250L more power and torque, the RS-4 provides more punch at bottom end with out sacrificing the mid and top power. The new system also removes a good amount of weight from the stock unit. Those that love the Yoshimura RS-4 sound will love the way it makes the new CRF250L Rally sing!\u003c\/p\u003e\n\u003cp\u003eProudly made in the USA!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eFront muffler cap functions as a polyresonant chamber which helps reduce noise\u003c\/li\u003e\n\u003cli\u003eTwo-stage stepped baffle\u003c\/li\u003e\n\u003cli\u003eTurn-out carbon fiber end-cap\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003cli\u003eRS-4 stainless full system weight 9.3lbs vs Stock full system weight 13.2lbs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/6xRyzIGub8g\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":39489229881539,"sku":"123400D520","price":779.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/123400D520_CRF250L_2017_RS4_SO_SS_SS_CF_2Gray_2048x2048_17274523-d2b3-4c17-9b3d-649507650e88.jpg?v=1617064593"},{"product_id":"yoshimura-rs-12-stainless-aluminum-slip-on-exhaust","title":"Yoshimura RS-12 Stainless Slip On Exhaust - 2021-2024 CRF450R","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2021-2024 CRF 450R\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDeveloped and tested in collaboration with HRC Honda Racing World Champion Tim Gajser and engineers the new RS-12 is ready for the race track and trails.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eUnique oval manifold design was created using FEA process (Finite Element Analysis) and produced using state-of-the-art hydroforming process\u003c\/li\u003e\n\u003cli\u003eImproved performance gains, weight reduction and fit when compared to previous generation design\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design and innovation end cap detailing as expected from Yoshimura\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e\n\u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e\n\u003cli\u003eRepack kits, optional inserts\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e Spark Arrestors \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eare available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eThis product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eAttention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":39993658179779,"sku":"225852S320","price":849.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/2410-5f6a7f54ec916.jpg?v=1623698205"},{"product_id":"yoshimura-rs-12-replacement-end-cap-kit","title":"Yoshimura RS-12 Replacement End Cap Kit","description":"\u003cp\u003eFits all RS-12 mufflers. Made in Yoshimura's composites shop in Chino, California with heat resistant pre-impregnated, matte finished lightweight carbon fiber. This replacement carbon fiber end cap kit has all the parts you need to do an end cap swap.\u003c\/p\u003e\n\u003cp\u003eKit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMatte finish carbon fiber end cap\u003c\/li\u003e\n\u003cli\u003eRS-12 Complete sticker kit\u003c\/li\u003e\n\u003cli\u003eRivets\u003c\/li\u003e\n\u003cli\u003eSound Insert hole grommet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":40002188411075,"sku":"YM1-CFR-K-1","price":124.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/ym1-cfr-k-1_720x_088eec7d-6b2f-4add-a057-0edd481b948a.jpg?v=1623783259"},{"product_id":"yoshimura-rs-2-stainless-aluminum-full-system-yamaha","title":"Yoshimura RS-2 Stainless\/Aluminum Full System - YFZ450R","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2009-2025 YFZ 450R\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"section__title-text product-single__title-text\"\u003eRS-2 Stainless Full Exhaust, w\/ Aluminum\u003c\/h3\u003e\n\u003cp\u003eThe RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core - and it offers the added bonus of outstanding performance in a value-priced package.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eLarge core and increased muffler packing volume means quieter operation\u003c\/li\u003e\n\u003cli\u003eStainless steel cone end-cap\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003cli\u003eWeight: 3.9 lbs lighter than stock configuration\u003c\/li\u003e\n\u003cli\u003eUSFS Approved spark arrester included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":40242852233411,"sku":"2376513","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/2376513_C_720x_96bf1c38-5351-4fc2-99c1-dba87ca63161.jpg?v=1626906394"},{"product_id":"yoshimura-rs-12-titanium-full-exhaust-system","title":"Yoshimura RS-12 TITANIUM Full Exhaust System - 2021-2023 CRF450R","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2021-2023 CRF 450R\/RX\/RWE\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Yoshimura RS-12 and the 2021 Honda CRF 450R—made with one goal to provide the most precision tuned machine in motocross competition.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYoshimura Titanium Full system weight 7.0 lbs.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evs Stock Weight 8.3lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped and tested in collaboration with HRC Honda Racing World Champion Tim Gajser and engineers the new RS-12 is ready for the race track and trails\u003c\/li\u003e\n\u003cli\u003ePowered Team HRC Honda's Tim Gajser to his fourth FIM World Championship!\u003c\/li\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eUnique oval manifold design was created using FEA process (Finite Element Analysis) and produced using state-of-the-art hydroforming process\u003c\/li\u003e\n\u003cli\u003eImproved performance gains, weight reduction and fit when compared to previous generation design\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design and innovation end cap detailing as expected from Yoshimura\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e\n\u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Honda \/ 2021-2023 CRF450R\/RX\/RWE","offer_id":42082248425724,"sku":"225851S721","price":1449.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/CRF450R_2021_RS12_FS_Ti-Ti-CF_1Gray_2048badge_720x_4624baeb-6ac1-431e-a38d-382e884cffac.jpg?v=1637346801"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-exhaust-system-honda","title":"Yoshimura RS-12 Stainless Full Exhaust System - 2021-2024 CRF450R","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2021-2024 CRF 450R\/RX\u003c\/p\u003e\n\u003cp\u003e2023-2024 CRF 450RS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe #1 exhaust in Supercross and Motocross that powered Chase Sexton to the 2023 450 Supercross title, and Jett Lawrence to the 2023 450 Motocross SMX title and perfect season!\u003c\/p\u003e\n\u003cp\u003eIn our never ending pursuit to craft the very best exhaust system, Yoshimura introduces the latest RS-12 stainless steel system for the Honda CRF450R\/RX.\u003c\/p\u003e\n\u003cp\u003eWhy did we go through the task of introducing a whole new system for the CRF450? With the latest engine spec, our engineers wanted to get the best most usable power from this new model. This new system incorporates a one-piece stainless steel cast manifold featuring an integrated bolt flange surface that is 3x stronger than conventional designs.\u003c\/p\u003e\n\u003cp\u003eThis new system has been developed with - and is the closest thing to what 5x World Champion Tim Gajser, Chase Sexton, Jett Lawrence have been using to grab holeshots and win championships. By increasing the resonator in the RS-12 muffler by 50cc (a 14% increase) and adding a second resonator to the header, our engineers were able to unlock some insane usable power from this new and improved system.\u003c\/p\u003e\n\u003cp\u003eThe new RS-12 system adds 5% max hp and 6.5% max torque to the new engine spec with its smaller throttle body and different ECU settings.\u003c\/p\u003e\n\u003cp\u003eWhat does this translate to?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasier power delivery\u003c\/li\u003e\n\u003cli\u003eSmoother frontside torque\u003c\/li\u003e\n\u003cli\u003eAllows the rider to ride in an higher gear, thus freeing up suspension.\u003c\/li\u003e\n\u003cli\u003eLess rider fatigue\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYoshimura's RS-12 is proudly designed, developed and manufactured in Chino, California.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43143793508604,"sku":"225850S321","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/7f98-5f50eb0265d6d_2.jpg?v=1662501547"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-exhaust-system-kawasaki","title":"Yoshimura RS-12 Stainless\/Aluminum Full Exhaust System - 2019-2023 KX450","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2019-2023 KX 450\u003c\/p\u003e\n\u003cp\u003e2021-2023 KX 450X\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe current generation Kawasaki KX450 has won over a lot of riders with its balanced chassis and predictable power delivery. We felt there’s still more on the table for improvement, enter our new RS-12.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWith countless hours of track and dyno testing, the KX450 responded well to our RS-12 with crisp and clean usable power that is up across the entire rpm spectrum. The result, max HP was up 9.6% and torque was up as well at 5.6%.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eYoshimura RS-12 will improve your experience on the green machine and decrease dB level from stock noise levels. Just what the doctor ordered.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eProudly designed, developed and made in the USA!\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRubber mounted RS-12 muffler dampens vibration to subframe\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eImproved performance gains with refined power delivery.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43143870447868,"sku":"244720S320","price":999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/244720S320_KX450_2021_RS12_FS_SS-SS-CF_1Gray_2048_2048x2048_f07a5b9d-1177-41d2-b276-b04ba76ddacc.webp?v=1678476768"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-exhaust-system-yamaha","title":"Yoshimura RS-12 Stainless\/Aluminum Full Exhaust System - 19-23 YZ250F","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2019-2023 YZ 250F\u003c\/p\u003e\n\u003cp\u003e2020-2023 YZ 250FX\u003c\/p\u003e\n\u003cp\u003e2020-2023 WR 250F\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eProudly designed, developed and made in the USA!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRubber mounted RS-12 muffler dampens vibration to subframe\u003c\/li\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined power delivery.\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arrestors.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eThis product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eAttention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43143918584060,"sku":"231020S320","price":999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/5946-5e67e6c45f292_1.jpg?v=1654203794"},{"product_id":"yoshimura-rs-12-titanium-full-exhaust-system-2022-2023-crf250r","title":"Yoshimura RS-12 TITANIUM Full Exhaust System - 2022-2023 CRF250R","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2022-2023 CRF 250R\/RX\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe exhaust that propelled Jett Lawrence to the 2022 AMA East Supercross Championship!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eLeaning on many of its bigger sibling's handling and styling cues, the new Honda CRF250R boasts many new features. It's lighter, more agile and is sure to be up to the task of reaching top podium results!\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eGleaning everything we could  from its big brother on the prior year model CRF450, we developed our RS-12 to optimize the power on the new CRF250R to enable it to have the most bottom and mid power and provide maximum overrev to give the best possible power curve for Supercross and Motocross racing.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOur RS-12 with its built-in resonance chamber, race proven craftsmanship and iconic shape provides the best power available for the new Honda CRF while keeping the DB level to acceptable racing parameters and providing great tire and brake caliper clearance.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe RS-12 is proudly developed, designed, and made in the USA.\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Honda \/ 2022-2023 CRF250R\/RX","offer_id":43630183252220,"sku":"228451S720","price":1319.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/Screenshot2022-08-19125905.png?v=1660939256"},{"product_id":"yoshimura-rs-12-stainless-full-exhaust-system-2022-2023-crf250r","title":"Yoshimura RS-12 Stainless Full Exhaust System - 2022-2024 CRF250R","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2022-2024 CRF 250R\/RX\u003c\/p\u003e\n\u003cp\u003eSystem weighs 9.9 lbs\u003c\/p\u003e\n\u003cp\u003e The exhaust that propelled Jett Lawrence to the 2022 AMA East Supercross Championship!\u003c\/p\u003e\n\u003cp\u003eLeaning on many of its bigger sibling's handling and styling cues, the new Honda CRF250R boasts many new features. It's lighter, more agile and is sure to be up to the task of reaching top podium results!\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGleaning everything we could  from its big brother on the prior year model CRF450, we developed our RS-12 to optimize the power on the new CRF250R to enable it to have the most bottom and mid power and provide maximum overrev to give the best possible power curve for Supercross and Motocross racing.\u003c\/p\u003e\n\u003cp\u003eOur RS-12 with its built-in resonance chamber, race proven craftsmanship and iconic shape provides the best power available for the new Honda CRF while keeping the DB level to acceptable racing parameters and providing great tire and brake caliper clearance.\u003c\/p\u003e\n\u003cp\u003eThe RS-12 is proudly developed, designed, and made in the USA.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43701821047036,"sku":"228450S320","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/7383FBF7-B3CB-416F-8B23-5BB9A6F97CE5.jpg?v=1662502761"},{"product_id":"yoshimura-rs-12-stainless-slip-on-exhaust-2022-2023-crf250r","title":"Yoshimura RS-12 Stainless Slip On Exhaust - 2022-2024 CRF250R","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2022-2024 CRF 250R\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeveloped and tested in collaboration with HRC Honda Racing World Champion Tim Gajser and engineers the new RS-12 is ready for the race track and trails.\u003c\/li\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eUnique oval manifold design was created using FEA process (Finite Element Analysis) and produced using state-of-the-art hydroforming process\u003c\/li\u003e\n\u003cli\u003eImproved performance gains, weight reduction and fit when compared to previous generation design\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design and innovation end cap detailing as expected from Yoshimura\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e\n\u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e\n\u003cli\u003eRepack kits, optional inserts\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e Spark Arrestors \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eare available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eThis product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eAttention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":43711628706044,"sku":"228452S320","price":849.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/8eb1-6116b72a2a2ba_aa5f7a4a-a2b2-4ee5-99a0-660a94cbac7f.jpg?v=1662662985"},{"product_id":"yoshimura-rs-9t-full-exhaust-system-crf-xr-80-100","title":"Yoshimura TRS Full Exhaust System - CRF\/XR 80\/100","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2004-2013 CRF 80F\u003c\/p\u003e\n\u003cp\u003e2004-2013 CRF 100F\u003c\/p\u003e\n\u003cp\u003e2001-2003 XR 100R\u003c\/p\u003e\n\u003ch4\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eThe TRS is dazzling proof that you can get Yoshimura quality and performance at a very friendly price.\u003c\/p\u003e\n\u003cp\u003eThe TRS is a race-bred muffler that features the clear look and sound that Yoshimura is famous for. The straight baffle of the TRS leads to a single polished stainless steel tip.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnduro Series Exhaust System\u003c\/li\u003e\n\u003cli\u003eTri-oval shaped sleeve\u003c\/li\u003e\n\u003cli\u003eLarge volume of packing material\u003c\/li\u003e\n\u003cli\u003eStraight baffle for ample flow\u003c\/li\u003e\n\u003cli\u003eMachined aluminum end-cap with welded tip\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":44270486651132,"sku":"2265503","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/offroad_TRS_AL_SHORTY_L_2048x2048_781c0462-5ef1-4315-919a-7f9a4d800b29.webp?v=1678412461"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-exhaust-system-2021-2023-kx250","title":"Yoshimura RS-12 Stainless\/Aluminum Full Exhaust System - 2021-2024 KX250","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2021-2024 KX 250\/X\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIn a word, POWER! That's what our new RS-12 Signature Series full systems delivers for the all new Kawasaki KX250 Motocross machine.\u003c\/p\u003e\n\u003cp\u003eOur new RS-12 adds lots of power to the new and improved 249cc Kawasaki powerplant. The goal was to add more usable power and torque to almost the entire power curve. Boasting an increase of max HP of 4.5% (at 12,000 rpm) and a max torque increase of 7.7% (at 6,700 rpm) RS-12 lays the power down to where it needs to be!\u003c\/p\u003e\n\u003cp\u003eOf course the RS-12 has more features than just power. Its machined joints, PTF sound inserts, asymmetrical shape are all performance enhancing. With a matte carbon fiber end cap and that Yoshimura bark will make your KX250 the most distinctive on the track!\u003c\/p\u003e\n\u003cp\u003eYoshimura RS-12 and the Kawasaki KX250 are ready for the podium!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKawasaki KX250 RS-12 Features and benefits:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward in the new Kawasaki chassis thus helping with weight centralization without sacrificing performance.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined linear power delivery.\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. 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The magic of the right tube diameter, right length then our RS-12 was called in to do the work that it was designed to do...perform! Adding power and torque everywhere across the spectrum of the new YZ450 wasn't easy but it was accomplished. Max HP is increased by 8% and max torque is bumped an incredible 13%!\u003c\/p\u003e\n\u003cp\u003eThe new RS-12 system unlocked some key power in the right places. The lower and mid RPM range is really enhanced while not disrupting the handling characteristics on the new YZ chassis. Riding with this new added power really made testing the new system a fun project.\u003c\/p\u003e\n\u003cp\u003eOther highlights of the RS-12 system are the machined joints on the key tube junctions to insure a good clean interface between joints. A built in resonator chamber on the muffler, a matte carbon fiber end cap and a PTF low volume sound insert completes the RS-12.\u003c\/p\u003e\n\u003cp\u003eSpark arrestor sold separately.\u003c\/p\u003e\n\u003cp\u003eThe RS-12 proudly designed, developed and made in the USA.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":44847545450748,"sku":"234840S320","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/234840S320_23YamahaYZ450F_FS_RS-12_4_Gray_2048x2048_ba11df76-2c64-4ed3-9c91-7913d4064960.webp?v=1702088830"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-exhaust-system-2024-kx450","title":"Yoshimura RS-12 Stainless Full Exhaust System - 2024-2025 KX450\/X","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2024-2025 KX 450\/X\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe 2024 Kawasaki KX450 has undergone a ton of changes, one of them requiring an all-new exhaust system. We were eager to develop the best exhaust system possible for the new Green Machine.\u003c\/p\u003e\n\u003cp\u003eWorking with multi-time GNCC off-road Champion Steward Baylor we were able to really squeeze every ounce of performance from the new KX. Not only performance but installation on the new KX has been optimized. Working around the new KX chassis we were able to make the new oval-port header fit effortlessly.\u003c\/p\u003e\n\u003cp\u003ePerformance gains are massive with our RS-12 Signature Series system, adding a whopping 23.8% max hp and an incredible 16.4% max torque. With gains like this some would think that the new KX would be hard to control, not the case. With the help of our hydroformed oval header, our development team has made the power delivery much smoother than stock!\u003c\/p\u003e\n\u003cp\u003eOur RS-12 muffler has loads of features including our PTF insert system that makes changing inserts a breeze and an optimized muffler shape with added volume and brake caliper clearance. Optional spark arrestor SA-21-K available separately.\u003c\/p\u003e\n\u003cdiv\u003eYoshimura's RS-12 systems proudly designed, developed and manufactured in Chino, California.\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eRubber mounted RS-12 muffler dampens vibration to subframe\u003c\/li\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined power delivery.\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/LkWSdyrUhRM?si=QzOVf2S4DDvBUaXz\" height=\"315\" width=\"560\" allowfullscreen=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":45345706934524,"sku":"244730S320","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/244730S320_2023KX450_RS-12SSFS_2_Gray_2048x2048_27470fde-e554-4e62-9874-93360b209edb.webp?v=1712169750"},{"product_id":"yoshimura-rs-12-stainless-full-exhaust-system-2024-yz250f","title":"Yoshimura RS-12 Stainless\/Aluminum Full Exhaust System - 24-26 YZ250F","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2024-2026 YZ 250F\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile other exhaust brands just carried over their Yamaha YZ250F offerings to include 2024 model, on the dyno and track, the new YZ told us there was more on the table. So our R\u0026amp;D team went to work to optimize the new Yamaha.\u003c\/p\u003e\n\u003cp\u003eThe adjustments to our spec proved what the 2024 YZ was telling our team was right. Our revised RS-12 Signature Series full system added 2.5% max HP and 2.8% max torque over stock. This is why we develop and test all of our product!\u003c\/p\u003e\n\u003cp\u003eOur RS-12 mufflers have loads of features including our PTF insert system that makes changing inserts a breeze and an optimized muffler shape with added volume and brake caliper clearance.\u003c\/p\u003e\n\u003cp\u003eYoshimura's RS-12 system is proudly designed, developed and manufactured in Chino, California.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNEW YZ250F RS-12 Features and benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume that helps manage sound, add power and provide more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers an inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":45345714536700,"sku":"231030S320","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/231030S320_2024YamahaYZ250F_RS12FS_2_Gray_2048x2048_e74e602e-192c-4b10-a4c6-cb5aec072935.webp?v=1712169987"},{"product_id":"yoshimura-rs-12-stainless-full-exhaust-system-2025-crf450r","title":"Yoshimura RS-12 Stainless Full Exhaust System - 2025 CRF450R\/RX","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2025 CRF 450R\/RX\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 2025 Honda CRF450R is here and has undergone significant changes to the overall package. Hunter Lawrence found the changes so inspiring that led him to compete with the new machine in the last three rounds of AMA Pro Motocross.\u003c\/p\u003e\n\u003cp\u003eThe newest CRF450R boasts an all-new new chassis, airbox and ECU configuration. Our engineering and development team has had their nose to the grindstone with Team Honda HRC to squeeze every drop of performance out of the new 450. With our new RS-12 Signature Series full system, we achieved a max HP gain of 3.7% over stock while the max torque gain came in at 1.3%.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSome of the features on the 2025 CRF450R\/RX RS-12:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHydroformed Muffler\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the first of a new generation RS-12 profile exhaust system featuring weight reducing hydroformed technology. This technology allows to maximize available space for a tailored fit while minimizing material usage. Hydroforming removes many of the limitations of conventional metal forming methods allowing for a stronger and lighter muffler. This new sleeve also incorporates a deep draw one-piece resonator further improving durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHydroformed Header Primary\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eImproved performance due to exact matching of the oval exhaust port, with a smooth internal transition from oval to round. Increased durability from a reduction in welded connections. Improved fit from the exact repeatability of hydroform process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarbon Faced Machined Joint\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur new Carbon Faced Machined Joint no longer requires the use of anti-seize. This is accomplished by impregnating the surface of the stainless steel joint with carbon atoms. The result is a reduction in wear over the life of the joint by reducing friction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeader Resonator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDeveloped in cooperation with the Honda HRC Team, our header resonator isn't just there for looks, it allows us to maximize power across the spectrum, while enhancing rider connectivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCast Manifold\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBenefit - Increased strength, durability, easier installation and removal.\u003c\/p\u003e\n\u003cp\u003eThe new RS-12 for the 2025 Honda CRF450R\/RX also comes with an INS-32-K sound insert installed. This insert not only produces an ear pleasing exhaust note, it also makes the best power for the new Honda.\u003c\/p\u003e\n\u003cp\u003eCRF450R RS-12 is designed, developed and made in the USA with the help of Team Honda HRC race team in the USA and in Europe.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/MdYHLoosD1E?si=xp6WWLk-5z6LAMU_\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":46548367278332,"sku":"225860S520","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/225860S520_b_l_2048x2048_3bea3c06-b85d-4f8b-b12a-65133a89c71a.webp?v=1727470170"},{"product_id":"yoshimura-rs-12-stainless-full-exhaust-system-2025-crf250r","title":"Yoshimura RS-12 Stainless Full Exhaust System - 2025-2026 CRF250R\/RX","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2025-2026 CRF 250R\/RX\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe 2025 Honda CRF250R has been unveiled, and when it comes to Honda Motocross Racing exhaust systems nobody even comes close to Yoshimura R\u0026amp;D of America.\u003c\/p\u003e\n\u003cp\u003eThe newest CRF250R boasts a new chassis, airbox and ECU configuration. Our engineering and development team has had their nose to the grindstone with Team Honda HRC to squeeze every drop of performance out of the new 250. With our new RS-12 Signature Series full system, we achieved a peak HP gain of 2% over stock while the peak torque gain came in at 5%.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSome of the features of the new RS-12 include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHydroformed Muffler\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the first of a new generation RS-12 profile exhaust system featuring weight reducing hydroformed technology. This technology allows to maximize available space for a tailored fit while minimizing material usage. Hydroforming removes many of the limitations of conventional metal forming methods allowing for a stronger and lighter muffler. This new sleeve also incorporates a deep draw one-piece resonator further improving durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarbon Faced Machined Joint\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur new Carbon Faced Machined Joint no longer requires the use of anti-seize. This is accomplished by impregnating the surface of the stainless steel joint with carbon atoms. The result is a reduction in wear over the life of the joint by reducing friction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeader Resonator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDeveloped in cooperation with the Honda HRC Team, our header resonator isn't just there for looks, it allows us to maximize power across the spectrum, while enhancing rider connectivity.\u003c\/p\u003e\n\u003cp\u003eThe new RS-12 for the 2025 Honda CRF250 also comes with an INS-31-K sound insert installed. This insert not only produces an ear pleasing exhaust note, it also makes the best power for the new Honda.\u003c\/p\u003e\n\u003cp\u003eProudly developed with the help of the Honda HRC race team in the USA\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/MdYHLoosD1E?si=PnWNiC-B8kGcsxDW\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":46548371636476,"sku":"228460S520","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/228460S520_i_l_2048x2048_52d4ded0-5e7e-45db-906e-007420d3c197.webp?v=1727470590"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-exhaust-system-2025-kx250","title":"Yoshimura RS-12 Stainless Full Exhaust System - 2025 KX250","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2025 KX 250\/X\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe newest version of the Kawasaki KX250F is here, and Yoshimura has an RS-12 Signature Series full system exhaust to help boost the new green machine right up onto the podium!\u003c\/p\u003e\n\u003cp\u003eThe latest KX250F boasts a new chassis and engine package. That meant it was time to go to work to see what can be done to add performance to the new KX. During development the new 250 was very responsive to our RS-12. We were able to add up to 3.3% more HP at 11,000 rpm and up to 3.4% more torque at 10,600 rpm. This gives the 2025 KX250F added power on top and more connectivity on the bottom and mid point of the power spectrum.\u003c\/p\u003e\n\u003cp\u003eOur new RS-12 for the 2025 KX250F comes with an INS-31-K sound insert installed. This insert not only produces an ear pleasing exhaust note, it also makes the best power for the new Kawasaki. Also available separately is an SA-21-K spark arrestor when venturing out into the woods is your jam.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSome of the features of the new RS-12 include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Faced Machined Joint:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eOur new Carbon Faced Machined Joint no longer requires the use of anti-seize. This is accomplished by impregnating the surface of the stainless steel joint with carbon atoms. The result is a reduction in wear over the life of the joint by reducing friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader Resonator:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eOur header resonator isn't just there for looks, it allows us to maximize power across the spectrum, while enhancing rider connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.yoshimura-rd.com\/collections\/replacement-service-parts\/repack\"\u003eRepack Kits\u003c\/a\u003e, optional\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.yoshimura-rd.com\/collections\/replacement-service-parts\/low+volume+insert\"\u003eInserts\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.yoshimura-rd.com\/collections\/replacement-service-parts\/spark+arrester\"\u003eSpark Arresters\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eare available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProudly designed, developed and made in the USA!\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":46832225419516,"sku":"242950S520","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/242950S520_b_l_2048x2048_64a9dfeb-bb23-46ca-90e7-4ca73df9b45d.webp?v=1737150250"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-exhaust-system-19-24-rmz450","title":"Yoshimura RS-12 Stainless\/Aluminum Full Exhaust System - 18-25 RMZ450","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2018-2025 RMZ 450\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eProudly designed, developed and made in the USA!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRubber mounted RS-12 muffler dampens vibration to subframe\u003c\/li\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined power delivery.\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arrestors.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eThis product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eAttention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":46856397422844,"sku":"219220S320","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/8528-5df7fe24b67a9_2.webp?v=1738102258"},{"product_id":"yoshimura-rs-12-stainless-aluminum-full-exhaust-system-yamaha-copy","title":"Yoshimura RS-12 Stainless\/Aluminum Full Exhaust System - 20-22 YZ450F","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2020-2022 YZ 450F\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eProudly designed, developed and made in the USA!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRubber mounted RS-12 muffler dampens vibration to subframe\u003c\/li\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined power delivery.\u003c\/li\u003e\n\u003cli\u003eJust like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arrestors.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eThis product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003ci\u003eAttention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by marketplace.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":46856419606780,"sku":"234830S320","price":999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/ef5e-603d278b80506.jpg?v=1654203655"},{"product_id":"yoshimura-rs-9t-full-exhaust-system-crf125f","title":"Yoshimura RS-9T Full Exhaust System - 19-26 CRF125F","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2019-2026 CRF 125F\u003c\/p\u003e\n\u003ch4\u003e\n\u003cbr\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eEnduro Series Exhaust - Includes Spark Arrestor\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDyno and track tested by Honda R\u0026amp;D in Japan, American Honda MX Team, and HRC All Japan MX Racing Team.\u003c\/li\u003e\n\u003cli\u003e3-stage header provides broader overall range of power and throttle response.\u003c\/li\u003e\n\u003cli\u003eNew tail pipe divider creates smoother exhaust flow and better velocity to the right and left tail pipe.\u003c\/li\u003e\n\u003cli\u003eNew compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization. *Larger RS-9T core creates improved throttle response, and power in mid and top end.\u003c\/li\u003e\n\u003cli\u003eNew RS-9T mufflers have more volume than stock to provide a decrease in overall dB noise level.\u003c\/li\u003e\n\u003cli\u003eWorks with or without Honda's new optional electric start system.\u003c\/li\u003e\n\u003cli\u003eStainless Steel Tail-pipe.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":46856447131900,"sku":"221210R520","price":659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/898c-5d42e65b39b64.jpg?v=1600480461"},{"product_id":"yoshimura-rs-2-stainless-aluminum-full-system-07-22-crf150r-rb","title":"Yoshimura RS-2 Stainless\/Aluminum Full System - 07-24 CRF150R\/RB","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2007-2024 CRF 150R\/RB\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"section__title-text product-single__title-text\"\u003eRS-2 Stainless Full Exhaust, w\/ Aluminum Muffler\u003c\/h3\u003e\n\u003cp\u003eThe RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core - and it offers the added bonus of outstanding performance in a value-priced package.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eLarge core and increased muffler packing volume means quieter operation\u003c\/li\u003e\n\u003cli\u003eStainless steel cone end-cap\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003cli\u003eUSFS Approved spark arrester included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":46865401577724,"sku":"2215503","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/2215503_B_2048x2048_f50d4e35-e792-417e-a2d7-8238ce89f5f1.jpg?v=1642122813"},{"product_id":"yoshimura-rs-2-stainless-aluminum-full-system-03-19-crf230f","title":"Yoshimura RS-2 Stainless\/Aluminum Full System - 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CRF250R\/X","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2004-2005 CRF250R  \u003c\/p\u003e\n\u003cp\u003e2004-2017 CRF250X\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"section__title-text product-single__title-text\"\u003eRS-2 Stainless Full Exhaust, w\/ Aluminum Muffler\u003c\/h3\u003e\n\u003cp\u003eThe RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery.\u003c\/p\u003e\n\u003cp\u003eWith a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core - and it offers the added bonus of outstanding performance in a value-priced package.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eLarge core and increased muffler packing volume means quieter operation\u003c\/li\u003e\n\u003cli\u003eStainless steel cone end-cap\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003cli\u003eUSFS Approved spark arrester included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":46865402364156,"sku":"2280513","price":669.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/192816FSRS2_SsAlCRF250R_ZM740x680.jpg?v=1642122813"},{"product_id":"yoshimura-rs-2-stainless-aluminum-full-system-06-08-crf450r","title":"Yoshimura RS-2 Stainless\/Aluminum Full System - 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13-18 CRF110","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2013-2018 CRF 110F\u003c\/p\u003e\n\u003ch4\u003e\n\u003cbr\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eThe RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery.\u003c\/p\u003e\n\u003cp\u003eWith a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core - and it offers the added bonus of outstanding performance in a value-priced package.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eLarge core and increased muffler packing volume means quieter operation\u003c\/li\u003e\n\u003cli\u003eStainless steel cone end-cap\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003cli\u003eUSFS Approved spark arrester included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":47012103028988,"sku":"221100B250","price":529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/221100B250_C_2048x2048_2841e205-7d19-4dcd-bfce-71b56ecf915c.jpg?v=1615703793"},{"product_id":"yoshimura-rs-2-stainless-carbon-full-system-crf-xr-50","title":"Yoshimura RS-2 Stainless\/Carbon Full System - 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14-18 CRF125F","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2014-2018 CRF 125F\u003c\/p\u003e\n\u003ch4\u003e\n\u003cbr\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eThe RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery.\u003c\/p\u003e\n\u003cp\u003eWith a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core - and it offers the added bonus of outstanding performance in a value-priced package.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond-shaped sleeve\u003c\/li\u003e\n\u003cli\u003eLarge core and increased muffler packing volume means quieter operation\u003c\/li\u003e\n\u003cli\u003eStainless steel cone end-cap\u003c\/li\u003e\n\u003cli\u003eStainless steel header and tail-pipe\u003c\/li\u003e\n\u003cli\u003eUSFS Approved spark arrester included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":47012144546044,"sku":"221200B250","price":539.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/Normal_1_63998b52-28d1-4000-82fe-b8341344cd01.jpg?v=1615704135"},{"product_id":"yoshimura-rs-9t-dual-stainless-carbon-full-system-18-21-crf250r-rx","title":"Yoshimura RS-9T Dual Stainless\/Carbon Full System - 18-21 CRF250R\/RX","description":"\u003ch4\u003eFitment:\u003c\/h4\u003e\n\u003cp\u003e2018-2021 CRF 250R\/RX\u003c\/p\u003e\n\u003ch4\u003eDetails\u003c\/h4\u003e\n\u003cp\u003eThe CRF250R's new twin cam engine and unique muffler configuration gave us the opportunity to create an entirely new system built specifically for the new dual port cylinder and its unique downdraft fuel injection system. We've developed our potent RS-9T Signature Series exhausts to provide more bottom end power and improved torque for the new high-revving engine. The distinctive dual header design is a brand new innovation from Honda. Deriving from Moto 3 bikes in Moto GP, Honda has found a new way to look at Motocross power delivery. Honing the power, engineers in Japan develop is what we at Yoshimura do, and we have found some great additions for the new CRF250R.\u003c\/p\u003e\n\u003cp\u003eNot only increasing the bottom, mid and top power, we have been able to reduce the weight from stock by half a pound, as well as an overall decrease in dB noise level of the stock system.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSome features on the new RS-9T dual system for the CRF250R include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNew RS-9T dual mufflers have more volume than stock to provide a decrease in overall dB noise level\u003c\/li\u003e\n\u003cli\u003eLarger RS-9T core creates improved throttle response, and power in mid and top-end\u003c\/li\u003e\n\u003cli\u003eNew compact forward positioned RS-9T dual muffler design provides lower center of gravity for better mass centralization\u003c\/li\u003e\n\u003cli\u003eUnique twin header design allows for more bottom end power and torque\u003c\/li\u003e\n\u003cli\u003eDyno and track tested by Honda R\u0026amp;D in Japan, and HRC All Japan MX Racing Team\u003c\/li\u003e\n\u003cli\u003eSpark Arrestor NOT included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":47012443783420,"sku":"22843AR520","price":1219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/products\/22843AR520_C_L_900x_2f336236-7a99-49d1-9649-128f04452c61.jpg?v=1742934508"},{"product_id":"yoshimura-rs-12-stainless-full-exhaust-system-2026-yz450f","title":"Yoshimura RS-12 Stainless Slip On Exhaust - 2026 YZ450F","description":"\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2026 YZ 450F\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur brand-new offering for the 2026 Yamaha YZ-450F is ready for action. Introducing the RS-12 Signature Series Slip-On—lightweight, compact, and built to deliver serious power.\u003c\/p\u003e\n\u003cp\u003eThis RS-12 is USFS approved and comes equipped with a spark arrestor installed, so you’re ready to ride the woods or trials right out of the box.\u003c\/p\u003e\n\u003cp\u003eFeaturing a stainless steel mid-pipe paired with an aluminum muffler and finished with a matte carbon fiber end cap, every detail is built for performance and durability.\u003c\/p\u003e\n\u003cp\u003eProudly engineered, developed, and built in Chino, CA.—Yoshimura quality you can count on.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/docs.yoshimura-rd.com\/234852S320.pdf\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yoshimura","offers":[{"title":"Default Title","offer_id":49092296179964,"sku":"234852S320","price":649.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/7962\/1181\/files\/234852S320_h_900x_ca8dc361-bc99-4513-a856-fdefa9971500.webp?v=1778695934"}],"url":"https:\/\/www.privateermxsupply.com\/collections\/yoshi-exhaust-mx-locker\/catagory_exhaust.oembed","provider":"Privateer Mx Supply","version":"1.0","type":"link"}