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 - 18300410 - 4.1 Exhaust with Megabomb Header
FMF
$1,049.99Fmf - 18300410 - 4.1 Exhaust with Megabomb HeaderFeaturesSuperior power and performance - horsepower improved throughout the rpm rangeFactory forward engineering centralizes mass, improves...$1,049.99 -
Fmf - 18310358 - Q4 Muffler
FMF
$449.99Fmf - 18310358 - Q4 MufflerFeaturesTwin-stage core design for lower sound output and extended life of packing materialComes standard with spark arrestorFits stock and PowerBomb headerSpecsPipe...$449.99 -
Out of stock
Fmf - 18320038 - PowerBomb Header
FMF
$324.99Fmf - 18320038 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...$324.99 -
Fmf - 18320079 - PowerBomb Header
FMF
$324.99Fmf - 18320079 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...$324.99 -
Fmf - 18320070 - PowerBomb Header
FMF
$249.99Fmf - 18320070 - 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 - 18320039 - PowerBomb Header
FMF
$249.99Fmf - 18320039 - 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 - 18310676 - Q4 HEX Muffler
FMF
$449.99Fmf - 18310676 - Q4 HEX MufflerFeaturesWith the Q4 you don’t need to hear the power, just feel the power!Less sound equals more groundPower gains throughout the entire rpm rangeSpark arrestor...$449.99 -
Fmf - 18310647 - PowerCore 4 HEX Muffler
FMF
$399.99Fmf - 18310647 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...$399.99 -
Fmf - 18310517 - Powercore 4 Muffler
FMF
$399.99Fmf - 18310517 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strengthRemovable spark arrestor...$399.99 -
Out of stock
Fmf - 18310359 - Factory 4.1 Muffler
FMF
$549.99Fmf - 18310359 - Factory 4.1 MufflerFeaturesUsed by Factory teams such as KTM, Epic Can-Am and Rath RacingAccepts optional quiet inserts and spark arrestorsFor use with FMF Powerbomb, FMF Megabomb,...$549.99 -
Out of stock
Fmf - 18310356 - Factory 4.1 Muffler
FMF
$549.99Fmf - 18310356 - Factory 4.1 MufflerFeaturesUsed by Factory teams such as KTM, Epic Can-Am and Rath RacingAccepts optional quiet inserts and spark arrestorsFor use with FMF Powerbomb, FMF Megabomb,...$549.99 -
Out of stock
Fmf - 18600503 - End Cap - Titanium - Factory 4.1
FMF
$49.99Fmf - 18600503 - End Cap - Titanium - Factory 4.1FeaturesSpecsRiding StyleATVUnitsEachProduct NameEnd CapStyleReplacementEnd Cap StyleConicalMaterialTitaniumModelFactory 4.1Riding StyleOff-RoadRiding...$49.99 -
Out of stock
Fmf - 18300193 - Powercore 4 Exhaust
FMF
$309.99Fmf - 18300193 - Powercore 4 ExhaustFeaturesStandard Hi-Flo 2" end cap boosts all-around performance; optional smaller 1-3/4" end cap smooths power delivery; spark arrestor module adds off-road...$309.99 -
Fmf - 18600500 - End Cap - Stainless Steel - Straight Cut - PC4/Q4
FMF
$34.99Fmf - 18600500 - End Cap - Stainless Steel - Straight Cut - PC4/Q4FeaturesSpecsRiding StyleUTVModelPowercore 4StyleReplacementModelQ4Product NameEnd CapMaterialStainless SteelEnd Cap...$34.99 -
Fmf - 18601050 - Replacement Ring - Factory 4.1 RCT
FMF
$5.99Fmf - 18601050 - Replacement Ring - Factory 4.1 RCTFeaturesSpecsRiding StyleATVRiding StyleOff-RoadTypeRetaining RingProduct NameReplacement ComponentUnitsEachRiding StyleUTV$5.99 -
Fmf - 18610585 - Wash Plug - 2-Stroke
FMF
$5.99Fmf - 18610585 - Wash Plug - 2-StrokeFeaturesAvailable in black with a red FMF streamerSpecsProduct NamePlugRiding StyleOff-RoadType2-StrokeTypeExhaust Wash PlugUnitsEachMaterialPlasticRiding...$5.99 -
Fmf - 18601049 - End Cap - Stainless Steel - Powercore 4/Q4
FMF
$49.99Fmf - 18601049 - End Cap - Stainless Steel - Powercore 4/Q4FeaturesSpecsEnd Cap StyleSlash-CutProduct NameCapMaterialStainless SteelRiding StyleUTVTypeEnd CapRiding StyleATVUnitsEachModelTi PowerCore...$49.99 -
Fmf - 18600935 - Universal Strap
FMF
$24.99Fmf - 18600935 - Universal StrapFeaturesSpecsProduct NameStrapRiding StyleOff-RoadRiding StyleATVUnitsEachRiding StyleUTVTypeMounting Strap$24.99 -
Fmf - 18600934 - Flange Kit
FMF
$39.99Fmf - 18600934 - Flange KitFeaturesBolt-on assemblySpecsColor/FinishBlackTypeExhaustProduct NameFlangeUnitsKitRiding StyleATVFitment1996-2006 Yamaha YFS200 Blaster$39.99 -
Fmf - 18600827 - Premier 2-Stroke Packing
FMF
$27.99Fmf - 18600827 - Premier 2-Stroke PackingFeaturesIdeal for MX applications where maximum sound absorption is not a necessitySpecsRiding...$27.99 -
Fmf - 18600828 - Pillow Muffler Packing - 4-Stroke
FMF
$31.99Fmf - 18600828 - Pillow Muffler Packing - 4-StrokeFeaturesMade to conform to FMF's high heat-resistant specificationsProvides optimum performance and longevityPrevents exhaust can from getting too...$31.99 -
Fmf - 18600501 - End Cap - Stainless Steel - Slash Cut - PC4/Q4
FMF
$34.99Fmf - 18600501 - End Cap - Stainless Steel - Slash Cut - PC4/Q4FeaturesSpecsModelPowercore 4Product NameEnd CapStyleReplacementRiding StyleOff-RoadModelQ4MaterialStainless SteelUnitsEachRiding...$34.99 -
Out of stock
Fmf - 18310084 - Powercore 4 Muffler
FMF
$399.99Fmf - 18310084 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strengthRemovable spark arrestor includedSpecsEnd...$399.99 -
Fmf - 18610043 - Universal Header Heat Shield - Stainless Steel
FMF
$34.99Fmf - 18610043 - Universal Header Heat Shield - Stainless SteelFeaturesSpecsProduct NameHeat ShieldRiding StyleATVRiding StyleOff-RoadStyleUniversalRiding StyleUTVUnitsEachTypeHeaderMaterialStainless...$34.99 -
Fmf - 18610169 - Universal Header Heat Shield - Titanium
FMF
$49.99Fmf - 18610169 - Universal Header Heat Shield - TitaniumFeaturesSpecsRiding StyleATVTypeHeaderUnitsEachRiding StyleUTVMaterialTitaniumProduct NameHeat ShieldRiding StyleOff-RoadStyleUniversal$49.99 -
Fmf - 18610013 - Wash Plug - with Streamer
FMF
$5.99Fmf - 18610013 - Wash Plug - with StreamerFeaturesAvailable in black with a red FMF streamerSpecsMaterialPlasticProduct NamePlugRiding StyleOff-RoadType4-StrokeColor/FinishBlackColor/FinishRedRiding...$5.99 -
Fmf - 18320068 - PowerBomb Header
FMF
$249.99Fmf - 18320068 - 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 - FMF011231 - Puller Tool - Exhaust Spring - T-Handle - Black
FMF
$15.99Fmf - FMF011231 - Puller Tool - Exhaust Spring - T-Handle - BlackFeaturesAllows mechanics to remove exhaust springs in secondsSpecsTypeExhaust SpringColor/FinishBlackRiding StyleAdventure Touring /...$15.99 -
Fmf - 43201610 - Assorted Sticker Sheet
FMF
$12.99Fmf - 43201610 - Assorted Sticker SheetSpecsGraphicFMF LogoRiding StyleOff-RoadStyleMultiColor/FinishRedRiding StyleATVUnitsEachColor/FinishBlackProduct NameDecal...$12.99
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.