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 Factory 4.1 RCT Exhaust - Titanium 042378
FMF
MSRP: $1,199.99Now: $1,020.00Was: $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
MSRP: $1,199.99Now: $1,020.00Was: $1,199.99 -
On Sale
FMF Fatty Pipe 025238
FMF
MSRP: $299.99Now: $255.00Was: $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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe 025239
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...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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Rev Pipe 025240
FMF
MSRP: $299.99Now: $255.00Was: $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:
- 2.94 LBS
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY FATTY REV
- MATERIAL:
- STEEL
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- UNITS:
- EACH
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Fatty Pipe 025241
FMF
MSRP: $299.99Now: $255.00Was: $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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Gnarly Pipe 025242
FMF
MSRP: $299.99Now: $255.00Was: $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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe 025243
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...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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF 4.1 RCT Exhaust with MegaBomb - Aluminum 044456
FMF
MSRP: $1,074.99Now: $914.00Was: $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
MSRP: $1,074.99Now: $914.00Was: $1,074.99 -
On Sale
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 044457
FMF
MSRP: $1,374.99Now: $1,169.00Was: $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
MSRP: $1,374.99Now: $1,169.00Was: $1,374.99 -
On Sale
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 042373
FMF
MSRP: $1,224.99Now: $1,041.00Was: $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
MSRP: $1,224.99Now: $1,041.00Was: $1,224.99Qty in Cart: 0Quantity:Price:MSRP: $1,224.99Now: $1,041.00Was: $1,224.99Subtotal: -
On Sale
FMF Fatty Pipe 024072
FMF
MSRP: $299.99Now: $255.00Was: $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:
- 5.90 LBS
- TYPE:
- EXHAUST
- MODEL:
- FATTY
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe 024073
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...18201851- SKU:
- 18201851
- Availability:
- Ships Same Business Day
- Weight:
- 5.95 LBS
- MATERIAL:
- STEEL
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Factory Fatty Pipe 024069
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...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
MSRP: $289.99Now: $246.00Was: $289.99 -
On Sale
FMF Fatty Pipe 020375
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 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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Fatty Pipe 020378
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 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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Gnarly Pipe 020379
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...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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Fatty Pipe 020390
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 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
MSRP: $299.99Now: $255.00Was: $299.99 -
On Sale
FMF Powercore 2 Shorty Silencer 020400
FMF
MSRP: $199.99Now: $170.00Was: $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
MSRP: $199.99Now: $170.00Was: $199.99 -
On Sale
FMF PowerCore 4 HEX Muffler 041586
FMF
MSRP: $399.99Now: $340.00Was: $399.99Overall increase in power and torque, Durable stainless steel and aluminum construction, Space Age internal packing material for maximum longevity, Internal shape of core uses Hi-Flo technology, Enhanced sonic evacuation provides for higher flow and...18113799- SKU:
- 18113799
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- MODEL:
- POWERCORE 4 HEX
- TYPE:
- SLIP-ON
- UNITS:
- EACH
MSRP: $399.99Now: $340.00Was: $399.99 -
On Sale
FMF Fatty Pipe 025069
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 finish18200080- SKU:
- 18200080
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- 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: $299.99Now: $255.00Was: $299.99
