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 - 024035 - Turbinecore Spark Arrestor Silencer - Fits 2003-2025 Kawasaki KX65
FMF
$229.99Fmf - 18211363 - Turbinecore Spark Arrestor SilencerFeaturesCompact design is nearly identical in size and performance to FMF's standard silencerCanister is easily disassembled for cleaning and...$229.99 -
Fmf - 042286 - Factory 4.1 RCT Muffler - Anodized Titanium
FMF
$749.99Fmf - 18211337 - 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...$749.99 -
Out of stock
Fmf - 025144 - Powercore 2 Shorty Silencer - Fits 1996-2002 Honda CR80R
FMF
$199.99Fmf - 18211207 - Powercore 2 Shorty SilencerFeaturesOverall length of canister and core is shorter to improve the hit of your machineThe SST Shorty Silencer is the heart and soul of the SST power...$199.99 -
Fmf - 025105 - Turbinecore 2 Silencer - Fits 1997-1999 Honda CR250R
FMF
$219.99Fmf - 18211206 - 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 - 025139 - Turbinecore 2 Silencer
FMF
$219.99Fmf - 18211192 - 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 - 042267 - Factory 4.1 RCT Muffler - Anodized Titanium
FMF
$749.99Fmf - 18211227 - 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...$749.99 -
Fmf - 042259 - Factory 4.1 RCT Muffler - Anodized Titanium
FMF
$749.99Fmf - 18211222 - 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...$749.99 -
Fmf - 025134 - Powercore 2 Silencer - Multiple Husqvarna/KTM/Kawasaki Models
FMF
$199.99Fmf - 18211187 - 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 -
Fmf - 025135 - Powercore 2 Shorty Silencer - Fits 2014-2016 Husqvarna TE 250/300, 2011-2016 KTM 250 SX/XC/XC-W, 1998-2021 Kawasaki KX80
FMF
$199.99Fmf - 18211188 - Powercore 2 Shorty SilencerFeaturesOverall length of canister and core is shorter to improve the hit of your machineThe SST Shorty Silencer is the heart and soul of the SST power...$199.99 -
Out of stock
Fmf - 025123 - Powercore 2 Shorty Silencer - Fits 2002-2007 Honda CR250R, 2011-2015 KTM 150 SX/XC, 2014-2015 Husqvarna TC 125, 2015-2016 Husqvarna TE 125
FMF
$199.99Fmf - 18211180 - Powercore 2 Shorty SilencerFeaturesOverall length of canister and core is shorter to improve the hit of your machineThe SST Shorty Silencer is the heart and soul of the SST power...$199.99 -
Fmf - 041332 - Q4 Muffler - Fits Honda 2003-2017 CRF150F, 2003-2017 CRF230F
FMF
$379.99Fmf - 18210887 - Q4 MufflerFeaturesLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for performanceDeveloped over years of championship off-road racingTwin-stage core...$379.99 -
Fmf - 044448 - Powercore 4 Muffler - Fits 2008-2021 Yamaha XT250
FMF
$449.99Fmf - 18211028 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor...$449.99 -
Out of stock
Fmf - 045135 - Powercore 4 Muffler - Fits KTM 2004-2006 SX/XC, 2007 XC/XC-W
FMF
$449.99Fmf - 18210689 - 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 - 042161 - Powercore 4 Muffler
FMF
$289.99Fmf - 18210808 - Powercore 4 MufflerFeaturesFeatures a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel headerHi-Flo Core and End...$289.99 -
Fmf - 042160 - Powercore 4 Muffler - Fits 2008-2024 Kawasaki KLX140/L/G
FMF
$269.99Fmf - 18210807 - Powercore 4 MufflerFeaturesFeatures a Hi-Flo stainless steel core and formed end caps, an aircraft grade aluminum canister and a durable stainless steel headerPounds lighter than...$269.99 -
Fmf - 044222 - Powercore 4 Muffler
FMF
$449.99Fmf - 18210681 - 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 - 044199 - Q4 Muffler - Fits Yamaha 2003-2006 WR450F, 2003-2005 YZ450F
FMF
$499.99Fmf - 18210678 - Q4 MufflerFeaturesLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for performanceDeveloped over years of championship off-road racingTwin-stage core...$499.99 -
Out of stock
Fmf - 044235 - Factory 4.1 Muffler - Anodized Titanium
FMF
$499.99Fmf - 18210584 - Factory 4.1 Muffler - Anodized TitaniumFeaturesFactory Forward Engineering centralizes mass, improves handlingCustomize with performance tuning inserts and spark arrestor...$499.99 -
Fmf - 041276 - Powercore 4 Muffler - Fits 2005-2008 Honda CRF450R
FMF
$449.99Fmf - 18210665 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor...$449.99 -
Out of stock
Fmf - 042122 - Powercore 4 Muffler - Fits 2004-2008 Kawasaki KX250F, 2004-2006 Suzuki RM-Z250
FMF
$449.99Fmf - 18210671 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor...$449.99 -
Out of stock
Fmf - 041274 - Powercore 4 Muffler
FMF
$399.99Fmf - 18210663 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor...$399.99 -
Fmf - 044141 - Powercore 4 Muffler - Fits 2005-2025 Yamaha TT-R230
FMF
$359.99Fmf - 18210363 - 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 - 044228 - Powercore 4 Muffler
FMF
$449.99Fmf - 18210578 - 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 - 041284 - Powercore 4 Muffler - Fits 2007-2016 Honda CRF150R
FMF
$449.99Fmf - 18210540 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor...$449.99 -
Out of stock
Fmf - 025130 - Fatty Pipe - Fits 1997-1999 Honda CR250R, 2011-2016 Husqvarna TE 250/300
FMF
$329.99Fmf - 18201111 - 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 - 025119 - Fatty Pipe - Fits 1996-2002 Honda CR80R, 2002-2003 Honda CR125R, 2014-2015 Husqvarna TC 125
FMF
$319.99Fmf - 18201108 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...$319.99 -
Fmf - 044156 - Powercore 4 Exhaust
FMF
$279.99Fmf - 18201321 - 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 - 040072 - Powercore 4 Exhaust - Fits 2004-2021 Honda CRF50F
FMF
$279.99Fmf - 18201341 - 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 - 025064 - Powercore 2 Silencer - Fits KTM 2003-2017 85 SX, 2008-2009 XC, 2007-2012 105 SX/XC
FMF
$199.99Fmf - 18210021 - 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 -
Fmf - 025065 - Powercore 2 Shorty Silencer - Fits Honda 2003-2007 CR85R, 2000-2001 CR125R, 2002-2007 CR125R
FMF
$199.99Fmf - 18210022 - Powercore 2 Shorty SilencerFeaturesOverall length of canister and core is shorter to improve the hit of your machineThe SST Shorty Silencer is the heart and soul of the SST power...$199.99 -
Out of stock
Fmf - 025088 - Fatty Pipe
FMF
$299.99Fmf - 18200494 - 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 - 023055 - Fatty Pipe - Fits 1997-2000 Suzuki 3 RM125
FMF
$319.99Fmf - 18200222 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsModelGold Series...$319.99 -
Fmf - 024056 - Factory Fatty Pipe
FMF
$329.99Fmf - 18200175 - 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 - 040643 - Replacement End Cap Kit - Carbon Fiber - RCT
FMF
$129.99Fmf - 18600563 - Replacement End Cap Kit - Carbon Fiber - RCTFeaturesSpecsModelFactory 4.1 RCTTypeExhaustOutside Diameter Imperial4''MaterialCarbon FiberProduct NameEnd CapUnitsKitEnd Cap...$129.99 -
Fmf - 040650 - Muffler Sleeve - Aluminum - Fits Honda 2004-2005 CRF250R, 2004-2009 CRF250X
FMF
$19.99Fmf - 18600580 - Muffler Sleeve - AluminumFeaturesSpecsLength Imperial4''Riding StyleOff-RoadUnitsEachMaterialAluminumProduct NameInsertStyleRoundTypeMid Pipe Inlet...$19.99 -
Fmf - 042037 - PowerBomb Header - Fits 2004-2008 Kawasaki KX250F, 2004-2006 Suzuki RM-Z250
FMF
$249.99Fmf - 18220012 - 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 - 044244 - PowerBomb Header - Fits 2007-2009 Yamaha YZ250F
FMF
$249.99Fmf - 18220139 - 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 - 040641 - Replacement End Cap Kit - Stainless Steel - RCT
FMF
$49.99Fmf - 18600561 - Replacement End Cap Kit - Stainless Steel - RCTFeaturesSpecsModelFactory 4.1 RCTRiding StyleOff-RoadEnd Cap StyleEuroProduct NameEnd CapUnitsKitOutside Diameter...$49.99 -
Fmf - 041426 - MegaBomb Header - Fits 2007-2021 Honda CRF150R
FMF
$374.99Fmf - 18220290 - MegaBomb HeaderFeaturesImproved bottom to mid-range powerProduce the low end of a longer header and the top end of a short headerLess susceptible to damage than a long headerRuns...$374.99 -
Fmf - 042094 - PowerBomb Header - Fits 2006-2011 Kawasaki KX450F
FMF
$249.99Fmf - 18220083 - 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 – 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.