FMF
FMF Racing is a globally respected performance brand specializing in high-output motorcycle exhaust systems and race-developed components. With deep roots in motocross, off-road and competitive riding, FMF exhausts are engineered to increase horsepower, sharpen throttle response and deliver a signature aggressive sound. Riders trust FMF for race-proven durability, lightweight construction and consistent real-world performance gains. The FMF name is synonymous with competition, innovation and uncompromising exhaust technology.
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Fmf - 042179 - PowerBomb Header - Fits 2009-2016 Kawasaki KX250F
FMF
$249.99Fmf - 18220226 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...$249.99 -
Fmf - 042274 - PowerBomb Header - Fits 2012-2015 Kawasaki KX450F
FMF
$249.99Fmf - 18220360 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...$249.99 -
Fmf - 044225 - PowerBomb Header - Fits Yamaha 2007-2011 WR450F, 2007-2009 YZ450F
FMF
$249.99Fmf - 18220125 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...$249.99 -
Fmf - 041133 - PowerBomb Header - Fits 2004-2017 Honda CRF250X
FMF
$249.99Fmf - 18220046 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...$249.99 -
Fmf - 025085 - Gnarly Pipe - Fits 2000-2003 KTM 3 200 EXC
FMF
$299.99Fmf - 18200176 - Gnarly PipeFeaturesWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for youStrong and rugged,...$299.99 -
Fmf - 024053 - Fatty Pipe - Fits 1992-1993 Kawasaki KX250
FMF
$329.99Fmf - 18200172 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$329.99 -
Out of stock
Fmf - 022048 - Fatty Pipe - Fits 2005 Kawasaki KX125
FMF
$299.99Fmf - 18200164 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$299.99 -
Fmf - 025073 - Fatty Pipe - Fits 2004-2010 KTM 125 SX, 2000-2001 Honda CR125R
FMF
$299.99Fmf - 18200084 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsProduct NameHead...$299.99 -
Fmf - 025069 - Fatty Pipe
FMF
$329.99Fmf - 18200080 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$329.99 -
Out of stock
Fmf - 021040 - Fatty Pipe - Fits 2003-2004 Honda CR250R
FMF
$299.99Fmf - 18200006 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsModelGold Series...$299.99 -
Fmf - 024052 - Factory Fatty Pipe
FMF
$319.99Fmf - 18200135 - Factory Fatty PipeFeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-revNo matter what...$319.99 -
Out of stock
Fmf - 022040 - Fatty Pipe
FMF
$299.99Fmf - 18200010 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsProduct NameHead...$299.99 -
Fmf - 021036 - Fatty Pipe - Fits 2004 Honda CR125R
FMF
$299.99Fmf - 18200002 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$299.99 -
Out of stock
Fmf - 021043 - Factory Fatty Pipe - '03-'04 CR250R - Fits 2003-2004 Honda CR250R
FMF
$299.99Fmf - 18200009 - Factory Fatty Pipe - '03-'04 CR250RFeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased...$299.99 -
Fmf - 024054 - Gnarly Pipe - Fits 1997-1998 Yamaha 3 YZ250
FMF
$329.99Fmf - 18200173 - Gnarly PipeFeaturesWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for youStrong and rugged,...$329.99 -
Fmf - 023059 - Fatty Pipe
FMF
$299.99Fmf - 18200168 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$299.99 -
Fmf - 041082 - PowerBomb Header - Fits Honda 2004-2008 CRF450R, 2005-2017 CRF450X
FMF
$249.99Fmf - 18220004 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...$249.99 -
Fmf - 041502 - Powercore 4 Exhaust
FMF
$299.99Fmf - 18201403 - Powercore 4 ExhaustFeaturesComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...$299.99 -
Out of stock
Fmf - 025096 - Turbinecore 2 Silencer - Fits 2007-2011 Gas Gas 250/300
FMF
$219.99Fmf - 18210800 - Turbinecore 2 SilencerFeaturesStraight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted...$219.99 -
Fmf - 025147 - Powercore 2 Silencer - Fits Yamaha 2009-2012 WR 125, 2011-2012 WR 150
FMF
$199.99Fmf - 18211384 - Powercore 2 SilencerFeaturesThe elliptically shaped bodies with perforated core perform well in any conditionEquipped with a Performance Flow end cap and nickel-plated front...$199.99 -
Out of stock
Fmf - 025102 - Powercore 2 Silencer - Fits 2009-2015 KTM 50 SX
FMF
$199.99Fmf - 18211452 - Powercore 2 SilencerFeaturesThe elliptically shaped bodies with perforated core perform well in any conditionEquipped with a Performance Flow end cap and nickel-plated front...$199.99 -
Out of stock
Fmf - 020331 - Turbinecore 2 Silencer
FMF
$219.99Fmf - FMFSA6207 - Turbinecore 2 SilencerFeaturesStraight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted...$219.99 -
Out of stock
Fmf - 044312 - Powercore 4 Muffler - Fits 1987-2021 Yamaha TW200
FMF
$359.99Fmf - 18211027 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor...$359.99 -
Fmf - 025151 - Fatty Pipe
FMF
$289.99Fmf - 18201387 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$289.99 -
Fmf - 025101 - Factory Fatty Pipe - Fits 2021-2023 Gas Gas MC 50, 2017-2023 Husqvarna TC 50
FMF
$299.99Fmf - 18201385 - Factory Fatty PipeFeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-revNo matter what...$299.99 -
Fmf - 041501 - Powercore 4 Exhaust
FMF
$279.99Fmf - 18201402 - Powercore 4 ExhaustFeaturesComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...$279.99 -
Fmf - 044220 - Powercore 4 Muffler
FMF
$449.99Fmf - 18210680 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor includedSpecsEnd...$449.99 -
Fmf - 041275 - Powercore 4 Muffler - Fits 2004 Honda CRF450R
FMF
$449.99Fmf - 18210664 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor...$449.99 -
Fmf - 025150 - Fatty Pipe - Fits 2021-2023 Gas Gas MC 50, 2017-2023 Husqvarna TC 50
FMF
$299.99Fmf - 18201386 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$299.99 -
Fmf - 041483 - PowerBomb Header - Fits 2003-2017 Honda CRF230F
FMF
$199.99Fmf - 18220395 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...$199.99 -
Fmf - 025157 - Factory Fatty Pipe - '13-'19 RR250/300 - Fits 2013-2018 Beta 250/300 RR
FMF
$329.99Fmf - 18201487 - Factory Fatty Pipe - '13-'19 RR250/300FeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased...$329.99 -
Fmf - 021058 - Fatty Pipe - Fits 1989-2001 Honda CR500R
FMF
$379.99Fmf - 18201485 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$379.99 -
Fmf - 044396 - PowerCore 4 HEX Muffler
FMF
$449.99Fmf - 18211571 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...$449.99 -
Fmf - 044397 - PowerCore 4 HEX Muffler
FMF
$449.99Fmf - 18211572 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...$449.99 -
Fmf - 025156 - Gnarly Pipe - Fits 2013-2019 Beta 250/300 RR
FMF
$329.99Fmf - 18201486 - Gnarly PipeFeaturesWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for youStrong and rugged,...$329.99 -
Fmf - 044429 - Factory 4.1 RCT Muffler - Anodized Titanium
FMF
$799.99Fmf - 18211612 - Factory 4.1 RCT Muffler - Anodized TitaniumFeaturesIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory...$799.99 -
Fmf - 041514 - PowerCore 4 HEX Muffler - Fits 2005-2009 Honda CRF450X
FMF
$449.99Fmf - 18211555 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...$449.99 -
Fmf - 045521 - PowerCore 4 HEX Muffler - Fits 2010-2013 Beta RR/RS
FMF
$449.99Fmf - 18112617 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...$449.99 -
Out of stock
Fmf - 042373 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium - Fits 2019-2023 Kawasaki KX450
FMF
$1,224.99Fmf - 18201844 - 4.1 RCT Exhaust with MegaBomb - Anodized TitaniumFeaturesShorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering -...$1,224.99 -
Fmf - 025243 - Factory Fatty Pipe
FMF
$329.99Fmf - 18201870 - Factory Fatty PipeFeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-revNo matter what...$329.99
FMF – High-Performance Exhaust Systems and Racing Components
FMF Racing has built its legacy through decades of direct involvement in professional motocross, supercross, desert racing and off-road competition. Every FMF exhaust system is developed using extensive dyno testing, track feedback and real-world race data to extract maximum performance from modern and classic motorcycle engines. This race-first approach allows FMF to deliver exhaust solutions that improve airflow efficiency, engine response and overall power delivery without sacrificing reliability.
FMF motorcycle exhaust pipes, headers and mufflers are engineered to increase torque and horsepower across usable RPM ranges while reducing overall system weight. Tuned silencer designs, precision-welded headers and lightweight materials help riders achieve stronger acceleration, improved throttle control and a more responsive riding experience. FMF also supports long-term performance with exhaust repack kits, replacement components and accessories designed to maintain optimal sound control and efficiency.
Trusted by factory race teams, professional riders and serious enthusiasts worldwide, FMF continues to set the benchmark in motorcycle exhaust performance. Whether upgrading a trail bike, motocross machine or off-road racer, FMF exhaust systems deliver proven power gains, aggressive sound and the durability required for hard riding. For riders who demand performance backed by racing heritage, FMF remains a top-tier exhaust solution.