FMF

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

The Turbinecore 2 uses the exclusive "Turbine Dampening System" This top-notch product has well earned its U.S. Forest legal status The str...

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

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

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...

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

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

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

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...

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

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...

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

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

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

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

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

FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase tha...

FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase tha...

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

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

If performance is your priority, the Factory 4.1 is the exhaust for you Used by Factory teams such as KTM, Epic Can-Am and Rath Racing Acce...

Complete system Superior power and performance - horsepower improved throughout the rpm range Factory forward engineering centralizes mass,...

If performance is your priority, the Factory 4.1 is the exhaust for you Used by Factory teams such as KTM, Epic Can-Am and Rath Racing Acce...

Complete system Superior power and performance - horsepower improved throughout the rpm range Factory forward engineering centralizes mass,...

FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase tha...

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

Developed over years of championship off-road racing Twin-stage core design for lower sound output and extended life of packing material Co...

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

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer hea...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer hea...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer hea...

Complete system Superior power and performance - horsepower improved throughout the rpm range Factory forward engineering centralizes mass, improv...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer hea...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer hea...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer hea...

The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end of a longer hea...

Complete system Superior power and performance - horsepower improved throughout the rpm range Factory forward engineering centralizes mass,...

The ultimate power booster Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Le...

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

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...