Dirt Bike Parts
10000 parts
Modern dirt bikes take serious abuse, so the parts on your machine need to match the way you ride. Whether you hit motocross tracks, single-track, or rough enduro terrain, the right dirt bike parts make a huge difference in power, handling, and durability. Riders choose high quality aftermarket components because they outperform stock parts and hold up when the pressure is on. Our selection is built for anyone who wants stronger performance and reliability on every jump, corner, and trail.
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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 finishSpecs$329.99 -
Pro Circuit - PK05250 - Works Pipe
Pro Circuit
$349.95Pro Circuit - 18200155 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...$349.95 -
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 finishSpecs$329.99 -
Pro Circuit - PY05250 - Works Pipe
Pro Circuit
$349.95Pro Circuit - 18200138 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...$349.95 -
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 -
Pro Circuit - PS04250P - Platinum Head Pipe
Pro Circuit
$365.95Pro Circuit - 18200101 - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel...$365.95 -
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 finishSpecs$299.99 -
Pro Circuit - PH04125P - Platinum Head Pipe - Fits 2004 Honda CR125R
Pro Circuit
$352.95Pro Circuit - 18200041 - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel...$352.95 -
Pro Circuit - PC4022-0000 - Replacement End Cap - Stainless Steel - 4"
Pro Circuit
$45.95Pro Circuit - 18610475 - Replacement End Cap - Stainless Steel - 4"FeaturesSpecsColor/FinishStainless Steel$45.95 -
Moose Offroad - Pipe Guard - FMF - Multiple Models
Moose Offroad
$186.95Moose Offroad - 18610134 - Pipe Guard - FMFFeaturesCarbon fiber, anti-ballistic composite material, fiberglass, and high temp resins yield an exceptional guardThe lightweight composite has 75%...$186.95 -
Moose Offroad - Silencer Heat Shield - KTM
Moose Offroad
$44.95Moose Offroad - 18610360 - Silencer Heat Shield - KTMFeaturesAnyone who owns a KTM 4-stroke knows the silencer burns your gearStop the problem at the source with this durable guardMounting hardware...$44.95 -
Moose Offroad - Pipe Guard - Pro Circuit
Moose Offroad
$159.95Moose Offroad - 18610590 - Pipe Guard - Pro CircuitFeaturesCarbon fiber, anti-ballistic composite material, fiberglass, and high temp resins yield an exceptional guardThe lightweight composite has...$159.95 -
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 finishSpecs$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 -
Pro Circuit - PY05250P2 - Platinum 2 Pipe - Fits 2003-2004 Honda CR250R
Pro Circuit
$365.95Pro Circuit - 18200140 - Platinum 2 PipeFeaturesInnovative design helps with increased bottom to mid-range power, making it perfect for unique styles of ridingNickel-plated finish to prevent...$365.95 -
Pro Circuit - 4H85080 - T-4 Exhaust
Pro Circuit
$370.95Pro Circuit - 4H00080 - T-4 ExhaustFeaturesExtensively track- and dyno-testedSteel Allen head screws make repacking an easy taskExclusive E-glass pillow packingIncludes USFS-approved spark arrestor...$370.95 -
Pro Circuit - SY93250-SE - 304 Silencer
Pro Circuit
$205.95Pro Circuit - SY93250SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...$205.95 -
Pro Circuit - SY03250-SE - 304 Silencer
Pro Circuit
$205.95Pro Circuit - SY03250SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...$205.95 -
Pro Circuit - SY93080-SE - 304 Silencer
Pro Circuit
$205.95Pro Circuit - SY93080SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...$205.95 -
Pro Circuit - SY93080-RE - R-304 Silencer
Pro Circuit
$206.29Pro Circuit - SY93080RE - 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...$206.29 -
Pro Circuit - SY02125-SE - 304 Silencer
Pro Circuit
$205.95Pro Circuit - SY02125SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...$205.95 -
Pro Circuit - SY03250-296 - Spark Arrestor Silencer
Pro Circuit
$232.95Pro Circuit - SY03250296 - Spark Arrestor SilencerFeaturesU.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most modelsInternal metal baffle, chambers, and sound...$232.95 -
Pro Circuit - SY02125-296 - Spark Arrestor Silencer
Pro Circuit
$232.95Pro Circuit - SY02125296 - Spark Arrestor SilencerFeaturesU.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most modelsInternal metal baffle, chambers, and sound...$232.95 -
Pro Circuit - SS93125-304 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - SS93125304 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...$205.95 -
Pro Circuit - SS02250-RE - R-304 Silencer
Pro Circuit
$206.29Pro Circuit - SS02250RE - 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...$206.29 -
Pro Circuit - SS02125-296 - Spark Arrestor Silencer
Pro Circuit
$232.95Pro Circuit - SS02125296 - Spark Arrestor SilencerFeaturesU.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most modelsInternal metal baffle, chambers, and sound...$232.95 -
Pro Circuit - PY84490P - Platinum Head Pipe
Pro Circuit
$407.95Pro Circuit - PY84490P - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel...$407.95 -
Pro Circuit - SK03250-RE - R-304 Silencer
Pro Circuit
$206.29Pro Circuit - SK03250RE - 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...$206.29 -
Pro Circuit - PC4003-0201 - Exhaust Flange
Pro Circuit
$39.95Pro Circuit - PC40030201 - Exhaust FlangeFeaturesWorks with both stock and aftermarket exhaust systemsSpecsRidin$39.95 -
Pro Circuit - SK02065-304 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - SK02065304 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...$205.95 -
Pro Circuit - SK02065-R - R-304 Silencer
Pro Circuit
$206.29Pro Circuit - SK02065R - 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...$206.29 -
Pro Circuit - SH99250-SE - 304 Silencer
Pro Circuit
$205.95Pro Circuit - SH99250SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...$205.95 -
Pro Circuit - SH96080-RE - R-304 Silencer
Pro Circuit
$206.29Pro Circuit - SH96080RE - 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...$206.29 -
Pro Circuit - SH97250-SE - 304 Silencer
Pro Circuit
$205.95Pro Circuit - SH97250SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...$205.95
High Performance Dirt Bike and Motocross Components
Every piece of your dirt bike contributes to how confidently you ride. Upgrading to better engine parts, clutch components, and fuel system pieces gives you stronger acceleration and cleaner throttle response when the track gets rough. Suspension upgrades like fork springs, seals, shock components, and linkage parts help your bike stay predictable through whoops, ruts, and landings. Controls matter just as much, so riders improve their cockpit with new handlebars, grips, levers, and foot pegs that boost comfort and precision at high speed.
Performance braking and drive components can completely transform how a dirt bike handles. Rotors, pads, chains, sprockets, wheel bearings, and hardware all play a role in keeping traction consistent and stopping power reliable. Even routine maintenance items like air filters, spark plugs, fluids, cables, and gaskets impact how well your bike performs under load. Quality parts help you ride longer, harder, and with more confidence, whether you are chasing lap times or carving your favorite trails.
Our goal is simple. Give riders access to dirt bike parts that hold up to real riding conditions and deliver true performance gains. When you twist the throttle, charge a jump, or slam into a corner, you should trust that every component on your bike can take the hit and keep going. Explore our full lineup of dirt bike and motocross parts and build a machine that is ready for whatever you throw at it.