FMF

The Shorty Silencer is the most desirable silencer for supercross performanceOverall length of canister and core is shorter to improve the hit of y...

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

Straight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricte...

The Shorty Silencer is the most desirable silencer for supercross performanceOverall length of canister and core is shorter to improve the hit of y...

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

Straight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricte...

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

The Shorty Silencer is the most desirable silencer for supercross performanceOverall length of canister and core is shorter to improve the hit of y...

New modular end cap allows easy tuning alterationsStandard Hi-Flo 2" end cap boosts all-around performance; optional smaller 1-3/4" end cap smooths...

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

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

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

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

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

The Shorty Silencer is the most desirable silencer for supercross performanceOverall length of canister and core is shorter to improve the hit of y...

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

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

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

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

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

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

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externallyIn addition, FMF achieves a shorter overall leng...

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

Hi-Flo end cap boosts all-around performanceComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a hi...

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

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’ cr...

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

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

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

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

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

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

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

The Mini Powercore 4 is the best bang for your buck performance bolt on for your miniFeatures a Hi-Flo stainless steel core and formed end caps, an...

The Mini Powercore 4 is the best bang for your buck performance bolt on for your miniFeatures a Hi-Flo stainless steel core and formed end caps, an...

Overall increase in power and torqueDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInter...