FMF

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

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...

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

FMF's Turbine Dampening Separator (TDS) baffle design eliminates the exhaust restriction associated with conventional spark arrestors Compact...

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

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

FMF's Fatty Gold Series pipe broadens the powerband and provides a healthy power increase everywhere Improved throttle response, a linear pow...

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...

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...

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

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

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

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...

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...

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

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 Advanced packing material for maximum longevity Removable s...

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

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

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

Developed over years of championship off-road racing Employs intricate chambers, baffles and proprietary multistage packing material Max Sound out...

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...

Less sound equals more ground Meets FIM World Enduro sound regulations Power gains throughout the entire rpm range Spark arrestor include...

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

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,...

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

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...

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

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...