Dirt Bike Exhaust

Fmf - 18211925 - 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 Forward Engineering - moving the muffler closer to the...

Fmf - 18211921 - 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 Forward Engineering - moving the muffler closer to the...

Fmf - 18211910 - Powercore 2.1 Muffler - TitaniumFeaturesSmooth power curve throughout the RPM rangeLarge diameter canister for more tenability and longer lasting packing lifeDelivers a crisp, notable soundOptimally designed to complement performance of...

Fmf - 18220504 - Megabomb Header with Midpipe - Stainless SteelFeaturesSpecsProduct NameHeaderRiding StyleStreetMaterialStainless SteelUnitsEachModelMegaBombFitment2020-2022YamahaYZ450F2019-2023YamahaYZ450FX

Pro Circuit - 18211961 - T-6 MufflerFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum muffler bracket for increased strength and...

Pro Circuit - 18211893 - T-6 MufflerFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum muffler bracket for increased strength and...

Pro Circuit - 18201534 - T-6 ExhaustFeaturesComes with a removable United States Forest Service (USFS) Approved Spark Arrestor making it easy to alternate between off-road and closed course ridingSpecsPipe MaterialStainless SteelEnd Cap MaterialCarbon...

Fmf - 18201537 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsProduct NameHead PipeModelGold Series FattyUnitsKitDesign/Configuration1-Into-1...

Fmf - 18201531 - 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, this aggressive pipe dishes out handfuls of torque and...

Moose Offroad - 18610882 - 4-Stroke Pipe Armor - 250/350cc KTMFeaturesSturdy armor for your vulnerable and expensive exhaust1/16" thickHelp prevent power-robbing dentsMade in the U.S.A.SpecsRiding StyleATVRiding StyleUTVLength Imperial10''Riding...

Fmf - 18211631 - 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 Forward Engineering - moving the muffler closer to the...

Fmf - 18201543 - Powercore 4 ExhaustFeaturesComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA stainless steel mid-pipe mates to the computer-designed...

Fmf - 18201538 - Factory Fatty Pipe - KX85/100FeaturesBroadens 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 type of riding you do, the Fatty has the...

Fmf - 18600703 - Spark Arrestor - Powercore 4 HexFeaturesSpecsModelPowerCore 4 HEXTypeSpark ArrestorMaterialSteelUnitsEachProduct NameScreen InsertRiding StyleOff-Road

Fmf - 18211633 - Factory 4.1 RCT Muffler - AluminumFeaturesIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering - moving the muffler closer to the motor to...

Fmf - 18600700 - Pipe Spring/O-Rings KitFeaturesSpecsUnitsKitMaterialSteelRiding StyleOff-RoadProduct NameO-RingMaterialRubberTypeExhaustFitment2018, 2024BetaEvo 250 Factory2015-2025Beta300 RR-Race Edition2014, 2019, 2022BetaEVO 300 Factory (2...

Pro Circuit - 18201981 - Ti-6 ExhaustFeaturesAsymmetrical muffler configuration for increased packing volumeMost systems equipped with a RC-4 Resonance Chamber for reduced sound outputMachined mid pipe to headpipe joint for a better, leak-free fitTIG...

Fmf - 18201967 - Factory 4.1 Exhaust - Anodized Titanium/Stainless SteelFeaturesAvailable with titanium and stainless steel headersFMF's Factory Forward Engineering centralizes mass and is less prone to crash damageInnovative rear end cap features simple...

Fmf - 18211629 - 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 includedPounds lighter than stockRugged design for off-road...

Fmf - 18600701 - Quiet Core Spark Arrestor Insert - Q4 HexFeaturesSpecsMaterialSteelRiding StyleOff-RoadUnitsEachModelQ4 HEXTypeSpark ArrestorProduct NameScreen Insert

Fmf - 18211627 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo technologyEnhanced sonic evacuation provides for higher flow and...

Pro Circuit - 18201952 - T-6 ExhaustFeaturesComes with a removable United States Forest Service (USFS) Approved Spark Arrestor making it easy to alternate between off-road and closed course ridingSpecsPipe MaterialStainless SteelRiding StyleOff-RoadEnd...

Pro Circuit - 18201961 - T-4 Stainless ExhaustFeaturesExtensively track- and dyno-testedSteel Allen head screws make repacking an easy taskExclusive E-glass pillow packingIncludes USFS-approved spark arrestor that can be removed for closed-course...

Fmf - 18201958 - 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 - moving the muffler closer to the motor to centralize...

Fmf - 18212017 - Q4 MufflerFeaturesEmploys intricate chambers, baffles and proprietary multistage packing materialMax Sound output 96dBConstructed from aircraft grade aluminum and high strength stainless steelUse with FMF or Stock OEM HeaderRemovable...

Pro Circuit - 18201600 - Ti-6 Pro ExhaustFeaturesCreated as a full race system, the Ti-6 Pro is designed to increase performance and help professional racers pass AMA/FIM sound regulationsSpecsModelTi-6 ProMuffler MaterialTitaniumRiding...

Fmf - 18212010 - Powercore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo technologyEnhanced sonic evacuation provides for higher flow and...

Pro Circuit - 18201598 - Ti-6 Pro ExhaustFeaturesCreated as a full race system, the Ti-6 Pro is designed to increase performance and help professional racers pass AMA/FIM sound regulationsSpecsPipe MaterialTitaniumRiding...

Fmf - 18212018 - Factory 4.1 MufflerFeaturesSuperior power and performance - horsepower improved throughout the rpm rangeFeature exclusive proprietary Chamber Core technologyFactory Forward Engineering centralizes mass, improves handlingMade from premium...

Pro Circuit - 18212015 - T-6 Muffler - KLX300RFeaturesStainless steel mid pipeA United States Forest Service approved spark arrestor comes equipped making it easy to alternate between off-road and closed-course racingSpecsEnd Cap StyleConicalMuffler...

Fmf - 18212012 - Factory 4.1 RCT Muffler - AluminumFeaturesIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering - moving the muffler closer to the motor to...

Fmf - 18212005 - Powercore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo technologyEnhanced sonic evacuation provides for higher flow and...

Fmf - 18211999 - 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 includedPounds lighter than stockRugged design for off-road...

Leovince - 18211649 - X3 Slip-On MufflerFeaturesThe format of the silencer is tailored according to the specific engine model in order to boost the torque and the maximum power ratingLaser etched LeoVince logoIncludes a spark arrestor that meets U.S.F.S...

Fmf - 18211998 - Powercore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo technologyEnhanced sonic evacuation provides for higher flow and...

Fmf - 18211993 - Turbinecore 2.1 MufflerFeaturesLarge diameter canister for longer packing lifeLighter than stockUtilizes exclusive FMF "Turbine Dampening System"SpecsProduct NameSilencerUnitsEachMuffler MaterialAluminumEnd Cap MaterialStainless...

Fmf - 18220518 - PowerBomb Header - Stainless SteelFeaturesPosition "Bomb" increases performanceHorsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and contraction of exhaust sonics through the...

Fmf - 18220515 - 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 headerEffectively reduces sound output by as much as 1.5 dBRun well...

Fmf - 18220514 - MegaBomb Header - Stainless SteelFeaturesSpecsMaterialStainless SteelModelMegaBombUnitsEachRiding StyleOff-RoadProduct NameHeaderFitment2021, 2025Beta430 RR 4T2020, 2023-2024Beta430 RR2020, 2023-2024Beta480 RR2021, 2025Beta480 RR 4T

Pro Circuit - 18201980 - T-6 ExhaustFeaturesAsymmetrical muffler configuration for increased packing volumeMost systems equipped with a RC-4 Resonance Chamber for reduced sound outputMachined mid pipe to headpipe joint for a better, leak-free...