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

Powercore silencers give your ride a deep works-like tone while providing optimum, dyno-tuned performance Silencer body is constructed of 606...

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

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...

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

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...

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

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

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...

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...

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...

Only for use with FMF mufflers. The ultimate power booster Improved bottom to mid-range power Produce the low end of a longer header and the to...

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 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 Less suscep...

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

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

Utilize FMF's patented module precisely located at the initial stage of the header for specific applications Position "Bomb" increases perfor...

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

The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power-to-weight rati...

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

Utilize FMF's patented module precisely located at the initial stage of the header for specific applications Position "Bomb" increases perfor...

Overall increase in power and torque Internal shape of core use Hi-Flo technology Includes removable spark arrestor

Power gains throughout the entire rpm range Rugged design for off-road endurance Meets USFS and FIM World Enduro sound regulations Spark arrestor ...

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

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

replaced by 042094 The ultimate power booster featuring exclusive Ti-Metal construction Improved bottom to mid-range power Produce the low end o...

The ultimate power booster Improved bottom to mid-range power Less susceptible to damage than a longer header Effectively reduces sound o...

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 Improved bottom to mid-range power Less susceptible to damage than a longer header Effectively reduces sound o...

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 Improved bottom to mid-range power Less susceptible to damage than a longer header Effectively reduces sound o...

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...

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

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

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

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...

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