FMF Racing

FMF Racing Yamaha WR250F 20-21 Hex Q4 S/A Muffler - 044472

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion...

FMF Racing Yamaha WR250F 20-21 Powercore 4 Hex Muffler - 044471

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding...

FMF Racing Yamaha WR250F 20-21 SS Aluminum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap - 044473

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash...

FMF Racing Yamaha WR450F 2020 Anod TI Factory 4.1 RCT SO Muffler w/ R. Carbon Cap - 044466

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash...

FMF Racing Yamaha XT250 08-21 Powercore 4 S/A Muffler - 044448

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding...

FMF Racing Yamaha YFZ450 04-09/ 12-15 Powercore 4 Muffler - 044224

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding...

FMF Racing Yamaha YFZ450 04-09/12-15 Q4 S/A Muffler - 044210

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion...

FMF Racing Yamaha YFZ450R 09-22/450X 10-11 Powercore 4 Muffler - 044300

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding...

FMF Racing Yamaha YFZ450R 09-22/450X 10-11 Q4 S/A Muffler - 044301

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion...

FMF Racing Yamaha YFZ450R 09-22/450X 10-11 SS Powerbomb Header - 044298

The redesigned PowerBomb is a 4-stroke header that incoporates FMF's patented PowerBomb module at a precise location in the initial stage of the header, resulting in performance gains and improved...

FMF Racing Yamaha YZ/WR450F 03-06/ YFZ450 04-09/ 12-15 SS Powerbomb Header - 044033

The redesigned PowerBomb is a 4-stroke header that incoporates FMF's patented PowerBomb module at a precise location in the initial stage of the header, resulting in performance gains and improved...

FMF Racing Yamaha YZ125 00-01 Powercore 2 Shorty Silencer - 020268

Shorter inner core length and aluminum canister. Finely tuned bolt-on silencer that maximizes bottom-end and mid-RPM. An excellent choice for tight tracks and Supercross tracks.This Part...