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 Q4 Muffler 044232
FMF
$449.99If you're running off-road and need to meet sound regulations without sacrificing performance, the FMF Q4 Muffler delivers race-proven quiet power that doesn't compromise your engine's potential. Engineered through years of championship off-road racing,...18210581- SKU:
- 18210581
- Availability:
- Ships Same Business Day
- Weight:
- 7.60 LBS
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- MODEL:
- Q4
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$449.99 -
FMF Powercore 4 Muffler 041273
FMF
$399.99If you're looking to unlock measurable performance gains without compromising reliability, the FMF Powercore 4 Muffler delivers consistent horsepower and torque increases across your entire power curve. Built with a proven aluminum core and stainless...18210662- SKU:
- 18210662
- Availability:
- Ships Same Business Day
- Weight:
- 6.56 LBS
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- END CAP STYLE:
- CONICAL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
$399.99 -
FMF Powercore 4 Muffler 041274
FMF
$399.99The FMF Powercore 4 Muffler delivers measurable gains across your entire power curve—horsepower and torque improvements that translate to real-world performance whether you're on the track or trail. Built with lightweight aluminum and stainless steel...18210663- SKU:
- 18210663
- Availability:
- Ships Same Business Day
- Weight:
- 6.38 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
$399.99 -
FMF Powercore 4 Muffler 042123
FMF
$399.99The FMF Powercore 4 Muffler delivers measurable horsepower and torque gains across the entire power band, giving you usable performance whether you're trail riding, sport touring, or pushing hard on the track. Its lightweight aluminum construction paired...18210672- SKU:
- 18210672
- Availability:
- Ships Same Business Day
- Weight:
- 6.19 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
$399.99 -
FMF Q4 Muffler 044195
FMF
$449.99If you're running serious off-road miles, you know that a poorly designed muffler will either choke your engine's potential or destroy your hearing—sometimes both. The FMF Q4 delivers championship-level sound suppression without sacrificing the power...18210676- SKU:
- 18210676
- Availability:
- Ships Same Business Day
- Weight:
- 7.44 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- MODEL:
- Q4
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$449.99 -
FMF Q4 Muffler 044199
FMF
$449.99If you're running off-road and need to meet sound regulations without sacrificing performance, the FMF Q4 Muffler delivers legitimate quiet power through precision engineering—not compromise. Developed from years of championship racing, this muffler uses...18210678- SKU:
- 18210678
- Availability:
- Ships Same Business Day
- Weight:
- 8.63 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- Q4
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$449.99 -
FMF Powercore 4 Muffler 044220
FMF
$399.99The FMF Powercore 4 Muffler delivers measurable horsepower and torque gains across your entire power curve without sacrificing durability or ride-ability. Whether you're hammering a track or cruising trails, this exhaust upgrade provides usable...18210680- SKU:
- 18210680
- Availability:
- Ships Same Business Day
- Weight:
- 6.44 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
$399.99 -
FMF Powercore 4 Muffler 044222
FMF
$399.99If you're looking to unlock measurable power gains across your entire power band without compromising durability, the FMF Powercore 4 Muffler delivers real performance where it counts. The intelligent chambering design produces usable torque and...18210681- SKU:
- 18210681
- Availability:
- Ships Same Business Day
- Weight:
- 6.56 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$399.99 -
FMF Turbinecore 2 Silencer 025096
FMF
$219.99The FMF Turbinecore 2 Silencer delivers the acoustic control and durability serious riders demand without sacrificing the exhaust flow your engine needs to breathe. Its straight-through design eliminates backpressure while the stainless steel...18210800- SKU:
- 18210800
- Availability:
- Ships Same Business Day
- Weight:
- 3.23 LBS
- BASE COLOR:
- SILVER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- END CAP STYLE:
- CONICAL
- MODEL:
- TURBINECORE 2
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$219.99 -
FMF Powercore 4 Muffler 042160
FMF
$269.99If you're running a Mini and want measurable gains in exhaust flow without the fabrication hassle, the FMF Powercore 4 delivers. This bolt-on muffler reduces backpressure while cutting weight, giving you better throttle response and a noticeable...18210807- SKU:
- 18210807
- Availability:
- Ships Same Business Day
- Weight:
- 5.25 LBS
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- WEIGHT IMPERIAL:
- 2.5 LB
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$269.99 -
FMF Powercore 4 Muffler 042161
FMF
$289.99The FMF Powercore 4 Muffler delivers measurable performance gains without breaking your budget—a genuine bolt-on upgrade that reduces exhaust restriction while shedding unnecessary weight. If you're looking to improve throttle response and free up...18210808- SKU:
- 18210808
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- UNITS:
- EACH
- WEIGHT IMPERIAL:
- 2.9 LB
- END CAP STYLE:
- CONICAL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
$289.99 -
FMF Powercore 2 Silencer 025064
FMF
$199.99The FMF Powercore 2 Silencer delivers consistent power delivery across the entire RPM range, whether you're racing at the track or pushing through varied terrain. Its proven elliptical design and perforated core architecture minimize back-pressure while...18210021- SKU:
- 18210021
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- TYPE:
- SLIP-ON SILENCER
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
- COLOR/FINISH:
- SILVER
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
$199.99 -
FMF Powercore 2 Shorty Silencer 025065
FMF
$199.99If you're serious about supercross performance, silencer design directly impacts your power delivery and throttle response. The FMF Powercore 2 Shorty Silencer reduces overall length to sharpen your machine's hit off the line—a critical advantage in...18210022- SKU:
- 18210022
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 2 SHORTY
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$199.99 -
FMF Turbinecore 2 Silencer 025067
FMF
$219.99The FMF Turbinecore 2 Silencer delivers maximum exhaust flow with minimal backpressure, allowing your engine to breathe freely and produce measurable power gains across the RPM range. Built with premium stainless steel construction and FMF's proven...18210024- SKU:
- 18210024
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- MODEL:
- TURBINECORE 2
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- END CAP MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- WEIGHT IMPERIAL:
- 2.4 LB
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
FMF Factory 4.1 Exhaust - Anodized Titanium/Stainless Steel 042381
FMF
$459.99If you're running stock exhaust on a performance machine, you're leaving power on the table and adding unnecessary weight to your chassis. The FMF Factory 4.1 delivers measurable horsepower gains while reducing unsprung mass through intelligent...18201967- SKU:
- 18201967
- Availability:
- Ships Same Business Day
- Weight:
- 3.84 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
$1,074.99If you're serious about extracting maximum performance from your machine while reducing unsprung weight, the FMF 4.1 RCT is engineered to deliver measurable gains across the entire RPM band. The Factory Forward Engineering approach—moving the muffler...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 Gnarly Exhaust - Sherco 025265
FMF
$299.99If you're running a 2-stroke in demanding off-road conditions, the FMF Gnarly Exhaust delivers the low-end torque and mid-range pull you need to power through technical terrain. This pipe is engineered specifically to add tractor-like grunt to your...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
$299.99If you're chasing consistent power delivery across your entire power band, the FMF Factory Fatty Pipe delivers where it matters most—low-end responsiveness, mid-range punch, and extended over-rev capability. Hand-crafted with factory-team heritage, this...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
$299.99If you're running a 2-stroke in demanding off-road conditions, you need an exhaust system engineered for low-end grunt rather than peak RPM numbers. The FMF Gnarly delivers the kind of tractor-like torque that gets you out of technical terrain when it...18201946- SKU:
- 18201946
- Availability:
- Ships Same Business Day
- Weight:
- 5.21 LBS
- TYPE:
- EXHAUST
- PRODUCT NAME:
- PIPE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Gnarly Exhaust - Beta 025270
FMF
$299.99If you're running a 2-stroke in demanding off-road conditions, you need an exhaust built to deliver low-end torque without sacrificing durability. The FMF Gnarly Exhaust is engineered to maximize power in the RPM range where you need it most—climbing...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
