Dirt Bike Exhaust

Pro Circuit - 18210037 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for strength and durabilityDouble-walled mounting bracket(s)Allen...

Fmf - 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 stainless steel mid-pipe mates to the computer-designed...

Pro Circuit - 18210138 - R-304 SilencerFeaturesThe compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing onlyHex head screws are used to secure the inlet cap and can be removed easily...

Fmf - 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 stainless steel mid-pipe mates to the computer-designed...

Pro Circuit - 18210027 - R-304 SilencerFeaturesThe compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing onlyHex head screws are used to secure the inlet cap and can be removed easily...

Fmf - 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 stingerSpecsEnd Cap StyleConicalProduct NameMufflerRiding...

Fmf - 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 package; required on some models when installing an FMF...

Fmf - 18200494 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsModelGold Series FattyProduct NameHead...

Fmf - 18200222 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsModelGold Series FattyDesign/Configuration1-Into-1...

Fmf - 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 type of riding you do, the Fatty has the benefits...

Fmf - 18600563 - Replacement End Cap Kit - Carbon Fiber - RCTFeaturesSpecsModelFactory 4.1 RCTTypeExhaustOutside Diameter Imperial4''MaterialCarbon FiberProduct NameEnd CapUnitsKitEnd Cap StyleEuroRiding StyleOff-Road

Fmf - 18600580 - Muffler Sleeve - AluminumFeaturesSpecsLength Imperial4''Riding StyleOff-RoadUnitsEachMaterialAluminumProduct NameInsertStyleRoundTypeMid Pipe Inlet SleeveFitment2004-2009HondaCRF250X2004-2005HondaCRF250R

Fmf - 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 contraction of exhaust sonics through the system causes...

Fmf - 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 contraction of exhaust sonics through the system causes...

Fmf - 18600561 - Replacement End Cap Kit - Stainless Steel - RCTFeaturesSpecsModelFactory 4.1 RCTRiding StyleOff-RoadEnd Cap StyleEuroProduct NameEnd CapUnitsKitOutside Diameter Imperial4''MaterialStainless SteelTypeExhaust

Fmf - 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 well with sound-restricting mufflers; effectively reduce...

Fmf - 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 contraction of exhaust sonics through the system causes...

Pro Circuit - 18200178 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking, and CNC-machined flange provides precise leak-free...

Fmf - 18220036 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and contraction of exhaust sonics through the system causes...

Pro Circuit - 18200137 - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel construction for exceptional fit and performanceHand-welded...

Fmf - 18200169 - 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...

Pro Circuit - 18200136 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking, and CNC-machined flange provides precise leak-free...

Pro Circuit - 18200139 - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel construction for exceptional fit and performanceHand-welded...

Fmf - 18200160 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsModelGold Series FattyProduct NameHead PipeDesign/Configuration1-Into-1...

Fmf - 18200132 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsProduct NameHead PipeMaterialSteelRiding...

Pro Circuit - 18200100 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking, and CNC-machined flange provides precise leak-free...

Fmf - 18210676 - Q4 MufflerFeaturesLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for performanceDeveloped over years of championship off-road racingTwin-stage core design for lower sound output and extended life of packing...

Pro Circuit - 18200066 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking, and CNC-machined flange provides precise leak-free...

Fmf - 18200081 - 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...

Fmf - 18200027 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecsColor/FinishNickel-PlatedUnitsKitMaterialSteelRiding StyleOff-RoadProduct...

Pro Circuit - 18200042 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking, and CNC-machined flange provides precise leak-free...

Fmf - 18200007 - 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...

Fmf - 18210547 - Factory 4.1 Muffler - Anodized TitaniumFeaturesFactory Forward Engineering centralizes mass, improves handlingCustomize with performance tuning inserts and spark arrestor moduleSpecsEnd Cap StyleEuroModelFactory 4.1StyleOvalMuffler...

Fmf - 18210653 - Q4 MufflerFeaturesLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for performanceDeveloped over years of championship off-road racingTwin-stage core design for lower sound output and extended life of packing...

Fmf - 18210581 - Q4 MufflerFeaturesLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for performanceDeveloped over years of championship off-road racingTwin-stage core design for lower sound output and extended life of packing...

Fmf - 18210662 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor includedSpecsEnd Cap MaterialStainless SteelRiding...

Fmf - 18210672 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor includedSpecsMuffler MaterialAluminumStyleOvalBase...

Fmf - 18210543 - Q4 MufflerFeaturesLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for performanceDeveloped over years of championship off-road racingTwin-stage core design for lower sound output and extended life of packing...

Fmf - 18210521 - 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 stockSpecsModelPowercore 4Muffler MaterialAluminumProduct...

Fmf - 18210080 - Powercore 2 SilencerFeaturesThe elliptically shaped bodies with perforated core perform well in any conditionEquipped with a Performance Flow end cap and nickel-plated front stingerSpecsColor/FinishSilverEnd Cap Color/FinishStainless...