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 Fatty Pipe 021052
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 finish18200214- SKU:
- 18200214
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
- MODEL:
- GOLD SERIES FATTY
- PRODUCT NAME:
- HEAD PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STEEL
- COLOR/FINISH:
- NICKEL-PLATED
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe - '05-'07 CR250R 021055
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...18200217- SKU:
- 18200217
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Fatty Pipe 022052
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 finish18200218- SKU:
- 18200218
- Availability:
- Ships Same Business Day
- Weight:
- 7.35 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STEEL
- MODEL:
- GOLD SERIES FATTY
- PRODUCT NAME:
- HEAD PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Fatty Pipe 023055
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 finish18200222- SKU:
- 18200222
- Availability:
- Ships Same Business Day
- Weight:
- 5.55 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- GOLD SERIES FATTY
- PRODUCT NAME:
- HEAD PIPE
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STEEL
- COLOR/FINISH:
- NICKEL-PLATED
MSRP: $299.99Now: $255.00Was: $299.99Qty in Cart: 0Quantity:Price:MSRP: $299.99Now: $255.00Was: $299.99Subtotal: -
On Sale
FMF Fatty Pipe 021048
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 finish18200291- SKU:
- 18200291
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- HEAD PIPE
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- GOLD SERIES FATTY
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Powercore 4 Exhaust 044272
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...18200739- SKU:
- 18200739
- Availability:
- Ships Same Business Day
- Weight:
- 3.09 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- STYLE:
- ELLIPTICAL
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- END CAP STYLE:
- EURO
- FEATURES:
- STANDARD
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $279.99Now: $238.00Was: $279.99 -
On Sale
FMF Factory Fatty Pipe 025121
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...18201110- SKU:
- 18201110
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY FATTY
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Gnarly Pipe 025131
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...18201112- SKU:
- 18201112
- Availability:
- Ships Same Business Day
- Weight:
- 7.15 LBS
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- GNARLY
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MATERIAL:
- STEEL
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe 025133
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...18201114- SKU:
- 18201114
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Gnarly Pipe 025143
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...18201115- SKU:
- 18201115
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- GNARLY
- UNITS:
- EACH
- COLOR/FINISH:
- NICKEL-PLATED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Gnarly Pipe 025087
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...18200417- SKU:
- 18200417
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- GNARLY
- COLOR/FINISH:
- NICKEL-PLATED
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Fatty Pipe 025088
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 finish18200494- SKU:
- 18200494
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- HEAD PIPE
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- GOLD SERIES FATTY
- UNITS:
- KIT
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe 025090
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...18200496- SKU:
- 18200496
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MATERIAL:
- STEEL
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Powercore 4 Exhaust 040011
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...18201317- SKU:
- 18201317
- Availability:
- Ships Same Business Day
- Weight:
- 3.56 LBS
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Fatty Pipe 024023
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 finish18201320- SKU:
- 18201320
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MODEL:
- GOLD SERIES FATTY
- COLOR/FINISH:
- NICKEL-PLATED
- MATERIAL:
- STEEL
- PRODUCT NAME:
- HEAD PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $289.99Now: $246.00Was: $289.99 -
On Sale
FMF Powercore 4 Exhaust 044157
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...18201322- SKU:
- 18201322
- Availability:
- Ships Same Business Day
- Weight:
- 3.91 LBS
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Powercore 4 Exhaust 040072
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...18201341- SKU:
- 18201341
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- FEATURES:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
MSRP: $279.99Now: $238.00Was: $279.99 -
On Sale
FMF Gnarly Pipe 025152
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...18201376- SKU:
- 18201376
- Availability:
- Ships Same Business Day
- Weight:
- 7.52 LBS
- MODEL:
- GNARLY
- PRODUCT NAME:
- PIPE
- UNITS:
- EACH
- COLOR/FINISH:
- NICKEL-PLATED
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe 025101
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...18201385- SKU:
- 18201385
- Availability:
- Ships Same Business Day
- Weight:
- 2.34 LBS
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MATERIAL:
- STEEL
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
MSRP: $289.99Now: $246.00Was: $289.99 -
On Sale
FMF Fatty Pipe 025150
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 finish18201386- SKU:
- 18201386
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STEEL
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- GOLD SERIES FATTY
- PRODUCT NAME:
- HEAD PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $289.99Now: $246.00Was: $289.99
