Products

Fitment: 2003-2007 RM 125 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and ...

Fitment: 2003-2008 RM 250 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and ...

Fitment: 2022-2025 YZ 125 2023-2025 YZ 125X Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner ...

Fitment: 1994-1998 KX 250 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and...

Fitment: 1996-2000 RM 125 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and...

Fitment: 1996-2000 RM 250 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and ...

Fitment: 1996-1999 YZ 125 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and ...

Fitment: 1996-1999 YZ 250 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and ...

Fitment: 1999-2002 KX 125 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and...

Fitment: 1999-2002 KX 250 Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and...

Fitment: 1996-2002 CR 80R 2003-2007 CR 85R Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inn...

Fitment: 1989-2001 RM 80 2002-2022 RM 85   Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inn...

Fitment:1993-2001 YZ 80 2002-2025 YZ 85 2022-2025 YZ 85LW Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with...

Fitment: 2002-2007 CR 125R The Powercore 2 is the measure which others aim for. With its lightweight extruded aluminum oval canister mated to a per...

Select your year/model in the menu above Details When designing the PowerCore 4 HEX, we looked at our top of the line products to deliver race-ins...

Details Overall increase in power and torque Durable stainless steel and aluminum construction Space Age internal packing material for maximum lo...

  Details When you’re looking for pro-level performance at an amateur price, the obvious answer is the FMF Power Core 4 Hex S/A Silencer. The Power...

Details When designing the PowerCore4, we looked at our top of the line products to deliver race-inspired performance at an economical price. The ...

Fitment: 2003-2006 WR 450F 2003-2005 YZ 450F Details When designing the PowerCore4, we looked at our top of the line products to deliver race-inspi...

Fitment: 2004 CRF 450R When designing the PowerCore4, we looked at our top of the line products to deliver race-inspired performance at an economic...

Fitment: 2006-2008 KX 450F 2006-2009 KLX 450R Details When designing the PowerCore4, we looked at our top of the line products to deliver race-insp...

Details FMF has always set itself apart by offering great options to lower your bike’s sound output. The Hex Q4 is no different. With a series of...

Details FMF has always set itself apart by offering great options to lower your bike’s sound output. The Hex Q4 is no different. With a series of...

Details FMF has always set itself apart by offering great options to lower your bike’s sound output. The Hex Q4 is no different. With a series of...

The science behind the Megabomb header may be FMF's greatest engineering accomplishment to date. You can bolt on a Megabomb with an existing FMF Ra...

Note: FMF does not recommend or guarantee you try to match this header to a stock muffler. The FMF Titanium Megabomb Header Pipe uses its unique...

Fitment: 2017-2020 KX 250F 2021-2023 KX 250/X 2016-2018 KX 450F 2019-2023 KX 450/X Select your year/model in the menu above.  Note: FMF does not re...

Fitment: 2019-2023 RM-Z 250 2011-2023 RM-Z 450 Select your year/model in the menu above Note: FMF does not recommend or guarantee you try to match ...

Fitment: Select your year/model from the options above The FMF Titanium Megabomb Header Pipe uses its unique midsection profile to deliver absolute...

Closeout! * Note: Pants are missing the velcro hip pads. Pants are new with Tags! Details 70% Polyester / 20% Polyamide Nylon / 5% Elastane / 5% C...

Closeout! * Note: Pants are missing the velcro hip pads. Pants are new with Tags! Details Red is the color of power, of speed and of passion and yo...