FMF

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-stroke ...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit and op...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its...

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and comp...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and comp...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

Hi-Flo end cap boosts all-around performance Computer designed and dyno-tested for every 4-stroke application Enhanced sonic evacuation del...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-st...

Hi-Flo end cap boosts all-around performance Computer designed and dyno-tested for every 4-stroke application Enhanced sonic evacuation delivers a...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ c...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-stroke ...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ c...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ c...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-stroke ...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit and op...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-st...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

Hi-Flo end cap boosts all-around performance Computer designed and dyno-tested for every 4-stroke application Enhanced sonic evacuation del...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-st...

The Q4 employs intricate chambers, baffles and proprietary multistage packing material With the Q4 you don’t need to hear the power, just feel the...

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

Utilize FMF's patented module precisely located at the initial stage of the header Position "Bomb" increases performance; horsepower is incre...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

Utilize FMF's patented module precisely located at the initial stage of the header Position "Bomb" increases performance; horsepower is incre...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-st...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-st...

Hi-Flo end cap boosts all-around performance Computer designed and dyno-tested for every 4-stroke application Enhanced sonic evacuation del...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain When looking to add 4-st...

Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit a...

Hi-Flo end cap boosts all-around performance Computer designed and dyno-tested for every 4-stroke application Enhanced sonic evacuation del...

The Shorty Silencer is the most desirable silencer for supercross performance Overall length of canister and core is shorter to improve the h...

The most popular 2-stroke silencers in FMF's arsenal The elliptically shaped bodies with perforated core perform well in any condition Equi...

Uses the exclusive "Turbine Dampening System" Straight-through design of the spark arrestor canister and the Performance Flow stainless steel...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

Uses the exclusive "Turbine Dampening System" Straight-through design of the spark arrestor canister and the Performance Flow stainless steel...