Dirt Bike Exhaust
Dirt Bike Exhaust Systems at JJ Motorsports
Unlock your dirt bike's potential with high-performance exhaust systems from JJ Motorsports. From slip-on mufflers to full exhaust kits, these components boost horsepower, reduce weight, and deliver aggressive sound for the track or trail. Designed for durability and easy installation, our exhausts ensure better throttle response and emissions compliance while enhancing your ride's style.
Shop trusted brands like Pro Circuit for competition pipes and FMF for titanium systems. Explore related categories such as Dirt Bike Air and Fuel for intake pairing or Dirt Bike Engine for power upgrades.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
FMF PowerBomb Header 041133
FMF
MSRP: $249.99Now: $212.00Was: $249.99Utilize FMF's patented module precisely located at the initial stage of the header, Position "Bomb" increases performance; horsepower is increased as much as 10%, Act as "pre-muffler" helping to lower the decibel output, The expansion and contraction of...18220046- SKU:
- 18220046
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
- COLOR/FINISH:
- STAINLESS STEEL
- PRODUCT NAME:
- HEADER
- TYPE:
- HEAD PIPE
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERBOMB
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $249.99Now: $212.00Was: $249.99Qty in Cart: 0Quantity:Price:MSRP: $249.99Now: $212.00Was: $249.99Subtotal: -
On Sale
FMF MegaBomb Header 041426
FMF
MSRP: $374.99Now: $319.00Was: $374.99The ultimate power booster features exclusive Ti-Metal construction, Improved bottom to mid-range power, Produce the low end of a longer header and the top end of a short header, Less susceptible to damage than a long header, Run well with...18220290- SKU:
- 18220290
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- MEGABOMB
- PRODUCT NAME:
- HEADER
- RIDING STYLE:
- OFF-ROAD
MSRP: $374.99Now: $319.00Was: $374.99Qty in Cart: 0Quantity:Price:MSRP: $374.99Now: $319.00Was: $374.99Subtotal: -
On Sale
FMF PowerBomb Header 042274
FMF
MSRP: $249.99Now: $212.00Was: $249.99Utilize FMF's patented module precisely located at the initial stage of the header, Position "Bomb" increases performance; horsepower is increased as much as 10%, Act as "pre-muffler" helping to lower the decibel output, The expansion and contraction of...18220360- SKU:
- 18220360
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- COLOR/FINISH:
- STAINLESS STEEL
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- HEADER
- TYPE:
- HEAD PIPE
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- POWERBOMB
- UNITS:
- EACH
MSRP: $249.99Now: $212.00Was: $249.99Qty in Cart: 0Quantity:Price:MSRP: $249.99Now: $212.00Was: $249.99Subtotal: -
On Sale
FMF Factory Fatty Pipe - KTM 250/300 025072
FMF
MSRP: $299.99Now: $255.00Was: $299.99The 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 while boosting gains throughout...18200083- SKU:
- 18200083
- Availability:
- Ships Same Business Day
- Weight:
- 5.35 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99Qty in Cart: 0Quantity:Price:MSRP: $299.99Now: $255.00Was: $299.99Subtotal: -
On Sale
FMF Gnarly Pipe 025095
FMF
MSRP: $299.99Now: $255.00Was: $299.99The 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 elements, this is the pipe...18200755- SKU:
- 18200755
- Availability:
- Ships Same Business Day
- Weight:
- 8.05 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- NICKEL-PLATED
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- MODEL:
- GNARLY
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe - '09-'15 65SX 025103
FMF
MSRP: $289.99Now: $246.00Was: $289.99The 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 while boosting gains throughout...18201128- SKU:
- 18201128
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- MATERIAL:
- STEEL
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
MSRP: $289.99Now: $246.00Was: $289.99Qty in Cart: 0Quantity:Price:MSRP: $289.99Now: $246.00Was: $289.99Subtotal: -
On Sale
FMF Gnarly Pipe 025148
FMF
MSRP: $299.99Now: $255.00Was: $299.99The 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 elements, this is the pipe...18201284- SKU:
- 18201284
- Availability:
- Ships Same Business Day
- Weight:
- 10.75 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- GNARLY
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- NICKEL-PLATED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
MSRP: $299.99Now: $255.00Was: $299.99Qty in Cart: 0Quantity:Price:MSRP: $299.99Now: $255.00Was: $299.99Subtotal: -
On Sale
FMF Powercore 4 Exhaust 044156
FMF
MSRP: $279.99Now: $238.00Was: $279.99Hi-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 mid-pipe mates to the...18201321- SKU:
- 18201321
- Availability:
- Ships Same Business Day
- Weight:
- 3.22 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- FEATURES:
- STANDARD
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
MSRP: $279.99Now: $238.00Was: $279.99Qty in Cart: 0Quantity:Price:MSRP: $279.99Now: $238.00Was: $279.99Subtotal: -
On Sale
FMF Powercore 4 Exhaust 041071
FMF
MSRP: $299.99Now: $255.00Was: $299.99Hi-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 mid-pipe mates to the...18201342- SKU:
- 18201342
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- BASE COLOR:
- SILVER
- MODEL:
- BIG BORE
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP STYLE:
- EURO
- FEATURES:
- STANDARD
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
MSRP: $299.99Now: $255.00Was: $299.99Qty in Cart: 0Quantity:Price:MSRP: $299.99Now: $255.00Was: $299.99Subtotal: -
On Sale
FMF Fatty Pipe 025202
FMF
MSRP: $299.99Now: $255.00Was: $299.99Computer designed and dyno tested to make power gains where each machine needs them the most, Tru-Flo stamping process ensures a perfect fit and optimum performance, Constructed of strong 19-gauge steel with a nickel-plated finish18201713- SKU:
- 18201713
- Availability:
- Ships Same Business Day
- Weight:
- 6.80 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- PRODUCT NAME:
- HEAD PIPE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CHROME
- MODEL:
- GOLD SERIES FATTY
- UNITS:
- KIT
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF 4.1 RCT Exhaust with MegaBomb - Aluminum 045634
FMF
MSRP: $1,049.99Now: $892.00Was: $1,049.99The 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 Engineering - moving the muffler closer to the...18201871- SKU:
- 18201871
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- FULL SYSTEM
- PRODUCT NAME:
- EXHAUST SYSTEM
MSRP: $1,049.99Now: $892.00Was: $1,049.99Qty in Cart: 0Quantity:Price:MSRP: $1,049.99Now: $892.00Was: $1,049.99Subtotal: -
On Sale
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045637
FMF
MSRP: $1,329.99Now: $1,130.00Was: $1,329.99The 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 Engineering - moving the muffler closer to the...18201874- SKU:
- 18201874
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- MUFFLER MATERIAL:
- TITANIUM
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
MSRP: $1,329.99Now: $1,130.00Was: $1,329.99Qty in Cart: 0Quantity:Price:MSRP: $1,329.99Now: $1,130.00Was: $1,329.99Subtotal: -
On Sale
FMF 4.1 RCT Exhaust with MegaBomb - Aluminum 045638
FMF
MSRP: $1,049.99Now: $892.00Was: $1,049.99The 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 Engineering - moving the muffler closer to the...18201875- SKU:
- 18201875
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- PIPE MATERIAL:
- STAINLESS STEEL
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
MSRP: $1,049.99Now: $892.00Was: $1,049.99 -
On Sale
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045639
FMF
MSRP: $1,329.99Now: $1,130.00Was: $1,329.99The 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 Engineering - moving the muffler closer to the...18201876- SKU:
- 18201876
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
MSRP: $1,329.99Now: $1,130.00Was: $1,329.99Qty in Cart: 0Quantity:Price:MSRP: $1,329.99Now: $1,130.00Was: $1,329.99Subtotal: -
On Sale
FMF Fatty Pipe 024068
FMF
MSRP: $289.99Now: $246.00Was: $289.99Computer designed and dyno tested to make power gains where each machine needs them the most, Tru-Flo stamping process ensures a perfect fit and optimum performance, Constructed of strong 19-gauge steel with a nickel-plated finish18201827- SKU:
- 18201827
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- GOLD SERIES FATTY
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- PRODUCT NAME:
- PIPE
- UNITS:
- EACH
MSRP: $289.99Now: $246.00Was: $289.99 -
On Sale
FMF Gnarly Pipe 021053
FMF
MSRP: $299.99Now: $255.00Was: $299.99The 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 elements, this is the pipe...18200215- SKU:
- 18200215
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
- MODEL:
- GNARLY
- COLOR/FINISH:
- NICKEL-PLATED
- PRODUCT NAME:
- PIPE
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Fatty Pipe 025092
FMF
MSRP: $299.99Now: $255.00Was: $299.99Computer designed and dyno tested to make power gains where each machine needs them the most, Tru-Flo stamping process ensures a perfect fit and optimum performance, Constructed of strong 19-gauge steel with a nickel-plated finish18200591- SKU:
- 18200591
- Availability:
- Ships Same Business Day
- Weight:
- 5.75 LBS
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- COLOR/FINISH:
- NICKEL-PLATED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- MODEL:
- GOLD SERIES FATTY
- PRODUCT NAME:
- HEAD PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $299.99Now: $255.00Was: $299.99Qty in Cart: 0Quantity:Price:MSRP: $299.99Now: $255.00Was: $299.99Subtotal: -
On Sale
FMF End Cap - Stainless Steel - Slash Cut - PC4/Q4 040635
FMF
MSRP: $34.99Now: $30.00Was: $34.99Replacement 4-Stroke Exhaust End Cap18600501- SKU:
- 18600501
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- END CAP
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- REPLACEMENT
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- Q4
- RIDING STYLE:
- ATV
MSRP: $34.99Now: $30.00Was: $34.99 -
On Sale
FMF End Cap - Titanium - Factory 4.1 040637
FMF
MSRP: $49.99Now: $42.00Was: $49.99Replacement 4-Stroke Exhaust End Cap18600503- SKU:
- 18600503
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- END CAP
- STYLE:
- REPLACEMENT
- MODEL:
- FACTORY 4.1
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- END CAP STYLE:
- CONICAL
- MATERIAL:
- TITANIUM
MSRP: $49.99Now: $42.00Was: $49.99Qty in Cart: 0Quantity:Price:MSRP: $49.99Now: $42.00Was: $49.99Subtotal: -
On Sale
FMF RCT End Cap - Titanium 040642
FMF
MSRP: $59.99Now: $51.00Was: $59.99Includes end cap, 3/16 stainless steel rivets, and strap mounts to secure end cap to canister18600562- SKU:
- 18600562
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 4'
- TYPE:
- EXHAUST
- END CAP STYLE:
- EURO
- PRODUCT NAME:
- END CAP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- FACTORY 4.1 RCT
- MATERIAL:
- TITANIUM
MSRP: $59.99Now: $51.00Was: $59.99Qty in Cart: 0Quantity:Price:MSRP: $59.99Now: $51.00Was: $59.99Subtotal:
