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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Pro Circuit - 0351935FP - Ti-6 Pro Exhaust
Pro Circuit
$1,396.95Pro Circuit - 18201864 - 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 regulationsSpecs$1,396.95 -
Pro Circuit - 1031985 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18201889 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel end-capTig and mig welded for strength and...$205.95 -
Fmf - 024069 - Factory Fatty Pipe
FMF
$299.99Fmf - 18201828 - 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...$299.99 -
Pro Circuit - 0731865 - Works Pipe - Fits 2018-2025 Yamaha YZ65
Pro Circuit
$322.95Pro Circuit - 18201837 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...$322.95 -
Pro Circuit - 0111825G2 - T-6 Exhaust - Fits 2018-2019 Honda CRF250R
Pro Circuit
$1,319.95Pro Circuit - 18201820 - 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...$1,319.95 -
Pro Circuit - 0731985 - Works Pipe - Fits 2002-2018 Yamaha 3 YZ85
Pro Circuit
$337.95Pro Circuit - 18201887 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...$337.95 -
Pro Circuit - 0831985 - Platinum Pipe - Fits 2001 Honda CR250R
Pro Circuit
$352.95Pro Circuit - 18201888 - Platinum PipeFeaturesStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerElectroless nickel plating...$352.95 -
Pro Circuit - 0831865 - Platinum Pipe - YZ65
Pro Circuit
$337.95Pro Circuit - 18201838 - Platinum Pipe - YZ65FeaturesStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerElectroless nickel plating...$337.95 -
Pro Circuit - 0351935F - Ti-6 Exhaust
Pro Circuit
$1,396.95Pro Circuit - 18211936 - Ti-6 ExhaustFeaturesConstructed of titanium throughout the head pipe, mid pipe and canisterThe ideal exhaust for any off-road or closed course racer looking for improved...$1,396.95 -
Fmf - 024070 - Powercore 2 Silencer
FMF
$199.99Fmf - 18211874 - 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 -
Pro Circuit - 0151935A - T-6 Muffler - Fits 2019-2022 KTM 350 SX-F
Pro Circuit
$649.95Pro Circuit - 18211935 - T-6 MufflerFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum...$649.95 -
Pro Circuit - 0111825A2 - T-6 Mufflers
Pro Circuit
$1,045.95Pro Circuit - 18211860 - T-6 MufflersFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum...$1,045.95 -
Pro Circuit - 0331925FP - Ti-6 Pro Exhaust
Pro Circuit
$1,487.95Pro Circuit - 18201853 - 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 regulationsSpecs$1,487.95 -
Fmf - 044449 - MegaBomb Header
FMF
$424.99Fmf - 18220475 - 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...$424.99 -
Pro Circuit - 0331925F - Ti-6 Exhaust
Pro Circuit
$1,487.95Pro Circuit - 18201852 - Ti-6 ExhaustFeaturesConstructed of titanium throughout the head pipe, mid pipe and canisterThe ideal exhaust for any off-road or closed course racer looking for improved...$1,487.95 -
Fmf - 025281 - Powercore 2 Muffler - Fits 2019 KTM 300 XC-W, 1996-2002 Honda CR80R
FMF
$199.99Fmf - 18212063 - Powercore 2 MufflerFeaturesLightweight extruded aluminum oval canister mated to a perforated coreSpecs$199.99 -
Pro Circuit - 0111945GXA - T-6 Muffler
Pro Circuit
$799.00Pro Circuit - 18211968 - T-6 MufflerFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum...$799.00 -
Fmf - 040692 - Heat Shield - MegaBomb - Titanium
FMF
$89.99Fmf - 18611643 - Heat Shield - MegaBomb - TitaniumFeaturesComes with clamp for easy installSpecsStyleUn$89.99 -
Fmf - 043369 - MegaBomb Header
FMF
$474.99Fmf - 18220493 - 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...$474.99 -
Fmf - 025284 - Turbinecore 2.1 Muffler
FMF
$269.99Fmf - 18212066 - Turbinecore 2.1 MufflerFeaturesEngineered to assault today's tracks and trailsLarger diameter titanium canister for more tunability and longer lasting packing lifePounds Lighter than...$269.99 -
Polisport - 8484100003 - Armadillo Extreme Silencer Guard - Blue
Polisport
$76.99Polisport - 18611541 - Armadillo Extreme Silencer Guard - BlueFeaturesStainless steel and silicone construction for an increased level of protection, impact absorption and to avoid vibration...$76.99 -
Fmf - 024081 - Turbinecore 2 Muffler
FMF
$229.99Fmf - 18212057 - Turbinecore 2 MufflerFeaturesSpecsMaterialAluminumUni$229.99 -
Fmf - 041611 - 4.1 RCT Slip-On Muffler
FMF
$899.99Fmf - 18212053 - 4.1 RCT Slip-On MufflerFeaturesNew RTS (Rapid Tuning System)Huge weight savingsSpecsEn$899.99 -
Fmf - 025282 - Turbinecore 2 Muffler
FMF
$229.99Fmf - 18212064 - Turbinecore 2 MufflerFeaturesSpecsProduct NameMuffler$229.99 -
Fmf - 024079 - Powercore 2 Muffler - Fits Yamaha 2002-2021 3 YZ125, 2004-2005 YZ125X 21 200 EXC/MXC
FMF
$199.99Fmf - 18212055 - Powercore 2 MufflerFeaturesThe lightweight extruded aluminum oval canister mated to a perforated core puts this silencer is above the competitionSpecs$199.99 -
Moose Offroad - Pipe Guard - FMF Gnarly - Fits 2015-2025 Beta 300 Xtrainer 2T, 2017-2018 Husqvarna TC 250, 2017-2019 Husqvarna TE 250/300, 2017-2018 KTM 250/300 SX, 2017-2019 KTM 250/300 XC-W
Moose Offroad
$186.95Moose Offroad - 18611474 - Pipe Guard - FMF GnarlyFeaturesCarbon fiber, anti-ballistic composite material, fiberglass, and high temp resins yield an exceptional guardThe lightweight composite has 75%...$186.95 -
Polisport - 8484100002 - Armadillo Extreme Silencer Guard - Orange
Polisport
$76.99Polisport - 18611540 - Armadillo Extreme Silencer Guard - OrangeFeaturesStainless steel and silicone construction for an increased level of protection, impact absorption and to avoid vibration...$76.99 -
Fmf - 014893 - Exhaust O-Rings - Fits Yamaha 1989-2021 YZ125, 2020-2022 YZ125X
FMF
$9.99Fmf - 18602409 - Exhaust O-RingsFeaturesSpecsRiding StyleOff-RoadType<$9.99 -
Pro Circuit - 0852312 - Platinum Pipe
Pro Circuit
$352.95Pro Circuit - 18220544 - Platinum PipeFeaturesHand welded and pounded seamsReinforced mounting brackets and stingerMade in the U.S.A.Specs$352.95 -
Bolt - 023-20287 - Exhaust Pipe Spring - 9 mm x 87 mm - 4-Pack
Bolt
$10.50Bolt - 18602456 - Exhaust Pipe Spring - 9 mm x 87 mm - 4-PackFeaturesSpecsTypeExhaust$10.50 -
Bolt - 023-20260 - Exhaust Pipe Spring - 62 mm - 4-Pack
Bolt
$15.00Bolt - 18602453 - Exhaust Pipe Spring - 62 mm - 4-PackFeaturesSpecsMaterialStainless Steel$15.00 -
Bolt - 023-20280 - Exhaust Pipe Spring - 80 mm - 4-Pack
Bolt
$13.00Bolt - 18602454 - Exhaust Pipe Spring - 80 mm - 4-PackFeaturesSpecsColor/FinishSilver$13.00 -
Fmf - 040689 - Quiet Core Insert - 4.1 RCT
FMF
$39.99Fmf - 18611666 - Quiet Core Insert - 4.1 RCTFeaturesSpecsModelFactory 4.1 RCT$39.99 -
Fmf - 014894 - Exhaust O-Rings
FMF
$9.99Fmf - 18602410 - Exhaust O-RingsFeaturesSpecsRiding StyleOff-RoadProdu$9.99 -
Fmf - 014889 - Exhaust O-Rings
FMF
$9.99Fmf - 18602405 - Exhaust O-RingsFeaturesSpecsTypeExhaustUnits$9.99 -
Fmf - 014885 - Exhaust O-Rings
FMF
$9.99Fmf - 18602401 - Exhaust O-RingsFeaturesSpecsRiding StyleOff-RoadProdu$9.99 -
Fmf - 014884 - Exhaust O-Rings
FMF
$9.99Fmf - 18602400 - Exhaust O-RingsFeaturesSpecsRiding StyleOff-RoadUnits$9.99 -
Moose Offroad - Pipe Guard by E Line - Pro Circuit - Carbon Fiber - Multiple Gas Gas/Husqvarna/KTM Models
Moose Offroad
$248.95Moose Offroad - 18611742 - Pipe Guard by E Line - Pro Circuit - Carbon FiberFeaturesCustom molded to fit perfectly every timeAntiballistic composite material, fiberglass, and high temp resins yield...$248.95 -
Akrapovic - S-K4MET9-FDHLTA - Evolution Line Exhaust System - Titanium - Fits 2024-2025 Kawasaki KX450/X
Akrapovic
$2,040.95Akrapovic - 18202052 - Evolution Line Exhaust System - TitaniumFeaturesTechnology has been developed directly from Akrapovic’s involvement in motorsports, with a special technique for imprinting the...$2,040.95 -
Fmf - 042399 - MegaBomb Header - Stainless Steel
FMF
$374.99Fmf - 18220549 - MegaBomb Header - Stainless SteelFeaturesSpecsMaterialStainless Steel$374.99
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.