Dirt Bike Exhaust Kits
JJ Motorsports is a leading supplier of MX dirt bike exhaust kits for 2-stroke and 4-strokes online from popular brands like Bills Pipes, FMF, and Pro Circuit. You can find the right fit for your dirt bike whether you're looking for an aftermarket exhaust or a replacement muffler. We also carry a great selection of dirt bike graphics and plastics to keep your bike looking good on the track. For the best selection and prices on dirt bike parts and accessories, JJ Motorsports is your one-stop shop.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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FMF Factory Fatty Pipe 024069
FMF
$289.99FMF Factory Fatty Pipe 024069The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve...18201828- SKU:
- 18201828
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- MODEL:
- FACTORY FATTY
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- STEEL
- TYPE:
- EXHAUST
$289.99 -
FMF Factory Fatty Pipe - '03-'04 CR250R 021043
FMF
$299.99FMF Factory Fatty Pipe '03-'04 CR250R 021043The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the...18200009- SKU:
- 18200009
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MODEL:
- FACTORY FATTY
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$299.99 -
FMF Factory Fatty Pipe - '01-'07 RM125 023058
FMF
$299.99FMF Factory Fatty Pipe '01-'07 RM125 023058The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the...18200225- SKU:
- 18200225
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MODEL:
- FACTORY FATTY
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$299.99 -
FMF Powercore 4 Exhaust 044136
FMF
$279.99FMF Powercore 4 Exhaust 044136Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel...18200248- SKU:
- 18200248
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
- FEATURES:
- STANDARD
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- MATERIAL:
- ALUMINUM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP STYLE:
- EURO
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- STYLE:
- ELLIPTICAL
$279.99 -
FMF Powercore 4 Exhaust 041178
FMF
$279.99FMF Powercore 4 Exhaust 041178Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel...18200252- SKU:
- 18200252
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- STYLE:
- ELLIPTICAL
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- END CAP STYLE:
- EURO
- FEATURES:
- STANDARD
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
$279.99Qty in Cart: 0Quantity:Price:$279.99Subtotal: -
FMF Powercore 4 Exhaust 041179
FMF
$299.99FMF Powercore 4 Exhaust 041179Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel...18200253- SKU:
- 18200253
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- STYLE:
- ELLIPTICAL
- TYPE:
- FULL SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
$299.99 -
FMF Factory Fatty Pipe 025183
FMF
$299.99FMF Factory Fatty Pipe 025183The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve...18201683- SKU:
- 18201683
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- STEEL
$299.99 -
FMF Factory 4.1 RCT Exhaust - Titanium 042398
FMF
$1,224.99FMF Factory 4.1 RCT Exhaust Titanium 042398FMF Factory 4.1 RCT Exhaust - Titanium18201984- SKU:
- 18201984
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
- END CAP COLOR/FINISH:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- TYPE:
- FULL SYSTEM
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MUFFLER COLOR/FINISH:
- BLUE ANODIZED
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- MEGABOMB
$1,224.99 -
FMF Factory 4.1 RCT Exhaust - Aluminum 042397
FMF
$974.99FMF Factory 4.1 RCT Exhaust Aluminum 042397FMF Factory 4.1 RCT Exhaust - Aluminum18201985- SKU:
- 18201985
- Availability:
- Ships Same Business Day
- Weight:
- 12.20 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- END CAP COLOR/FINISH:
- CARBON FIBER
- MATERIAL:
- ALUMINUM
- MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER MATERIAL:
- ALUMINUM
- MUFFLER COLOR/FINISH:
- NATURAL
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- MEGABOMB
- UNITS:
- EACH
$974.99 -
FMF Factory 4.1 Exhaust - Anodized Titanium/Stainless Steel 042381
FMF
$459.99FMF Factory 4.1 Exhaust Anodized Titanium/Stainless Steel 042381Superior power than stock systems, Available with titanium and stainless steel headers, FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage, Innovative rear...18201967- SKU:
- 18201967
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- MODEL:
- FACTORY 4.1
- UNITS:
- EACH
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
$459.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Aluminum 044460
FMF
$1,074.99FMF 4.1 RCT Exhaust with MegaBomb Aluminum 044460The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally, Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward...18201931- SKU:
- 18201931
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
$1,074.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 044461
FMF
$1,354.99FMF 4.1 RCT Exhaust with MegaBomb Anodized Titanium 044461The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally, Shorter overall length that is less susceptible to crash damage and complementary to FMF's...18201932- SKU:
- 18201932
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- MUFFLER MATERIAL:
- TITANIUM
- END CAP MATERIAL:
- CARBON FIBER
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- UNITS:
- EACH
$1,354.99 -
FMF Gnarly Exhaust - Sherco 025265
FMF
$299.99FMF Gnarly Exhaust Sherco 025265The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain, When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the...18201944- SKU:
- 18201944
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- STEEL
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$299.99 -
FMF Factory Fatty Pipe 025268
FMF
$299.99FMF Factory Fatty Pipe 025268The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve...18201945- SKU:
- 18201945
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MATERIAL:
- STEEL
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Gnarly Exhaust - Beta 025269
FMF
$299.99FMF Gnarly Exhaust Beta 025269The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain, When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the...18201946- SKU:
- 18201946
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
- TYPE:
- EXHAUST
- PRODUCT NAME:
- PIPE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Gnarly Exhaust - Beta 025270
FMF
$299.99FMF Gnarly Exhaust Beta 025270The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain, When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the...18201947- SKU:
- 18201947
- Availability:
- Ships Same Business Day
- Weight:
- 5.65 LBS
- TYPE:
- EXHAUST
- PRODUCT NAME:
- PIPE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Factory 4.1 RCT Exhaust - Aluminum 045650
FMF
$1,074.99FMF Factory 4.1 RCT Exhaust Aluminum 045650RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output, Internal ducts in the chambers of the RCT system increase internal volume for...18201954- SKU:
- 18201954
- Availability:
- Ships Same Business Day
- Weight:
- 9.80 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- MEGABOMB
- MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- TYPE:
- FULL SYSTEM
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,074.99 -
FMF Fatty Pipe 025263
FMF
$299.99FMF Fatty Pipe 025263With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance, The Fatty broadens and smooths out the power curve while boosting gains throughout the entire power band, more...18220489- SKU:
- 18220489
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- TYPE:
- EXHAUST
- MATERIAL:
- CARBON STEEL
- MODEL:
- FATTY
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$299.99 -
FMF Gnarly Pipe 020083
FMF
$299.99FMF Gnarly Pipe 020083The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain, When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh...FMFMG32- SKU:
- FMFMG32
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- NICKEL-PLATED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- GNARLY
- PRODUCT NAME:
- PIPE
$299.99 -
FMF Powercore 4 Exhaust 042005
FMF
$279.99FMF Powercore 4 Exhaust 042005Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel...FMF042005- SKU:
- FMF042005
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP STYLE:
- EURO
- FEATURES:
- STANDARD
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
$279.99
