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
-
FMF Factory Fatty Pipe 025204
FMF
$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...18201714- SKU:
- 18201714
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- MODEL:
- FACTORY FATTY
$299.99 -
FMF Factory Fatty Rev Pipe 022064
FMF
$299.99Pipe focuses its power delivery in the middle and upper RPM of the power band, If you're running out of power up top, want more time between shifts and do a lot of deep berm or sand riding, the FMF Rev is your pipe of choice, FMF Racing's Tru-Flo...18201715- SKU:
- 18201715
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MODEL:
- FACTORY FATTY REV
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$299.99 -
FMF Factory 4.1 RCT Exhaust - Titanium 042378
FMF
$1,199.99RCT (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 improved exhaust flow, resulting in power gains...18201901- SKU:
- 18201901
- Availability:
- Ships Same Business Day
- Weight:
- 8.15 LBS
- MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- RIDING STYLE:
- OFF-ROAD
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- STYLE:
- MEGABOMB
- UNITS:
- EACH
$1,199.99 -
FMF Fatty Pipe 025238
FMF
$299.99With 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 low-end, more mid, and...18201865- SKU:
- 18201865
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- MODEL:
- FATTY
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
$299.99 -
FMF Factory Fatty Pipe 025239
FMF
$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...18201866- SKU:
- 18201866
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY FATTY
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$299.99 -
FMF Factory Fatty Rev Pipe 025240
FMF
$299.99Pipe focuses its power delivery in the middle and upper RPM of the power band, If you're running out of power up top, want more time between shifts and do a lot of deep berm or sand riding, the FMF Rev is your pipe of choice, FMF Racing's Tru-Flo...18201867- SKU:
- 18201867
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY FATTY REV
- MATERIAL:
- STEEL
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- UNITS:
- EACH
$299.99 -
FMF Fatty Pipe 025241
FMF
$299.99With 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 low-end, more mid, and...18201868- SKU:
- 18201868
- Availability:
- Ships Same Business Day
- Weight:
- 5.05 LBS
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- MODEL:
- FATTY
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$299.99 -
FMF Gnarly Pipe 025242
FMF
$299.99Power gains are focused toward bottom and mid, with a goal of increased tractability, An excellent off-road pipe, and a winner for tighter tracks, Built with tough 18-gauge steel18201869- SKU:
- 18201869
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- NICKEL-PLATED
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- MODEL:
- GNARLY
$299.99 -
FMF Factory Fatty Pipe 025243
FMF
$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...18201870- SKU:
- 18201870
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- MODEL:
- FACTORY FATTY
$299.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Aluminum 044456
FMF
$1,074.99The 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...18201840- SKU:
- 18201840
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- FULL SYSTEM
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,074.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 044457
FMF
$1,374.99The 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...18201841- SKU:
- 18201841
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
$1,374.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 042373
FMF
$1,224.99The 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...18201844- SKU:
- 18201844
- Availability:
- Ships Same Business Day
- Weight:
- 8.95 LBS
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL 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
$1,224.99 -
FMF Fatty Pipe 024072
FMF
$299.99With 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 low-end, more mid, and...18201850- SKU:
- 18201850
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- TYPE:
- EXHAUST
- MODEL:
- FATTY
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
$299.99Qty in Cart: 0Quantity:Price:$299.99Subtotal: -
FMF Factory Fatty Pipe 024073
FMF
$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...18201851- SKU:
- 18201851
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- MATERIAL:
- STEEL
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Factory Fatty Pipe 024069
FMF
$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...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 Fatty Pipe 020375
FMF
$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 finishFMF020375- SKU:
- FMF020375
- Availability:
- Ships Same Business Day
- Weight:
- 5.38 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- GOLD SERIES FATTY
- MATERIAL:
- STEEL
- UNITS:
- KIT
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- PRODUCT NAME:
- HEAD PIPE
$299.99 -
FMF Fatty Pipe 020378
FMF
$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 finishFMF020378- SKU:
- FMF020378
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- GOLD SERIES FATTY
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- STEEL
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- PRODUCT NAME:
- HEAD PIPE
$299.99 -
FMF Gnarly Pipe 020379
FMF
$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...FMF020379- SKU:
- FMF020379
- Availability:
- Ships Same Business Day
- Weight:
- 7.81 LBS
- MATERIAL:
- STEEL
- MODEL:
- GNARLY
- PRODUCT NAME:
- PIPE
- COLOR/FINISH:
- NICKEL-PLATED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$299.99 -
FMF Fatty Pipe 020390
FMF
$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 finishFMF020390- SKU:
- FMF020390
- Availability:
- Ships Same Business Day
- Weight:
- 7.19 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MODEL:
- GOLD SERIES FATTY
- PRODUCT NAME:
- HEAD PIPE
- COLOR/FINISH:
- NICKEL-PLATED
- UNITS:
- KIT
$299.99 -
FMF Powercore 2 Shorty Silencer 020400
FMF
$199.99The Shorty Silencer is the most desirable silencer for supercross performance, Overall length of canister and core is shorter to improve the hit of your machine, The SST Shorty Silencer is the heart and soul of the SST power package; required on some...FMF020400- SKU:
- FMF020400
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 2 SHORTY
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
$199.99
