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 Turbinecore 2.1 Muffler 024067
FMF
$269.99If you're running a high-revving engine on track or trail, backpressure and noise restrictions will kill both your power delivery and your riding experience. The FMF Turbinecore 2.1 eliminates that compromise by delivering race-proven performance while...18211791- SKU:
- 18211791
- Availability:
- Ships Same Business Day
- Weight:
- 4.08 LBS
- MODEL:
- TURBINECORE 2.1
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MUFFLER MATERIAL:
- ALUMINUM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ROUND
$269.99 -
FMF PowerCore 4 HEX Muffler 042345
FMF
$399.99If you're looking to extract real performance gains without sacrificing durability, the FMF PowerCore 4 HEX delivers measurable increases in power and torque through optimized exhaust flow. The stainless steel and aluminum construction is built to...18211794- SKU:
- 18211794
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$399.99 -
FMF Turbinecore 2.1 Muffler 025220
FMF
$269.99If you're running your machine on the trail or track, exhaust restriction is costing you power and throttle response. The FMF Turbinecore 2.1 delivers a straight-through design that eliminates backpressure while maintaining the durability and reliability...18211831- SKU:
- 18211831
- Availability:
- Ships Same Business Day
- Weight:
- 3.84 LBS
- END CAP STYLE:
- SLASH-CUT
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- TURBINECORE 2.1
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ROUND
$269.99 -
FMF Turbinecore 2 Silencer 025227
FMF
$219.99If you're running a high-performance machine, your exhaust system directly impacts power delivery and durability under sustained load. The FMF Turbinecore 2 Silencer delivers unrestricted flow through a straight-through spark arrestor design while the...18211834- SKU:
- 18211834
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- STYLE:
- OVAL
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TURBINECORE 2
$219.99 -
FMF PowerCore 4 HEX Muffler 044441
FMF
$399.99If you're looking to unlock measurable gains in power and torque without sacrificing reliability, the FMF PowerCore 4 HEX delivers the flow characteristics serious riders demand. Built with premium stainless steel and aluminum construction, this muffler...18211836- SKU:
- 18211836
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
$399.99 -
FMF Q4 HEX Muffler 044442
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while significantly reducing weight—meaning you get real performance improvement without sacrificing durability. Its multi-stage chambered design and proprietary packing...18211837- SKU:
- 18211837
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 044443
FMF
$649.99If you're serious about maximizing exhaust flow and reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable power gains across the entire RPM band without compromising durability. The compact design and centralized mass positioning work in...18211838- SKU:
- 18211838
- Availability:
- Ships Same Business Day
- Weight:
- 9.15 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$649.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 044445
FMF
$849.99If you're serious about extracting maximum performance from your machine while reducing unsprung weight, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM band without compromise. Built from aerospace-grade titanium and engineered...18211840- SKU:
- 18211840
- Availability:
- Ships Same Business Day
- Weight:
- 8.35 LBS
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
$849.99 -
FMF Powercore 2.1 Muffler - Aluminum 024059
FMF
$239.99The FMF Powercore 2.1 delivers the smooth, linear power curve that 4-stroke racers demand across the full RPM range—no sudden peaks or flat spots. Its large-diameter aluminum canister maximizes packing longevity and tuning flexibility, so you spend more...18211703- SKU:
- 18211703
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- POWERCORE 2.1
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$239.99 -
FMF Powercore 2.1 Muffler - Titanium 024060
FMF
$449.99The FMF Powercore 2.1 Titanium muffler delivers consistent power across your entire RPM range—critical for 4-stroke engines where mid-range response directly impacts lap times and acceleration. The oversized canister design extends packing life and...18211704- SKU:
- 18211704
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- TITANIUM
- MODEL:
- POWERCORE 2.1
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
$449.99 -
FMF Turbinecore 2.1 Muffler 024061
FMF
$269.99If you're running a high-performance off-road machine, exhaust flow directly impacts your power delivery and throttle response. The FMF Turbinecore 2.1 delivers unrestricted performance through a straight-through design while maintaining the durability...18211705- SKU:
- 18211705
- Availability:
- Ships Same Business Day
- Weight:
- 3.73 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ROUND
- TYPE:
- SLIP-ON
- MATERIAL:
- ALUMINUM
- MODEL:
- TURBINECORE 2.1
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$269.99Qty in Cart: 0Quantity:Price:$269.99Subtotal: -
FMF Powercore 2.1 Muffler - Aluminum 024062
FMF
$239.99If you're running a 4-stroke on modern track configurations, exhaust scavenging directly impacts your power delivery across the entire RPM band. The FMF Powercore 2.1 Muffler is engineered to eliminate restrictions while maintaining a smooth, linear...18211706- SKU:
- 18211706
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- MODEL:
- POWERCORE 2.1
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$239.99 -
FMF Powercore 2.1 Muffler - Titanium 024063
FMF
$449.99If you're running a modern 4-stroke on the track, the FMF Powercore 2.1 Titanium delivers the smooth, responsive power curve you need without sacrificing durability or sound quality. The oversized canister design extends packing life significantly,...18211707- SKU:
- 18211707
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP MATERIAL:
- TITANIUM
- MODEL:
- POWERCORE 2.1
- PRODUCT NAME:
- SILENCER
- MUFFLER MATERIAL:
- TITANIUM
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$449.99 -
FMF Turbinecore 2.1 Muffler 024064
FMF
$269.99If you're running a high-performance off-road machine, exhaust flow directly impacts power delivery and throttle response. The FMF Turbinecore 2.1 delivers measurable gains through a straight-through design that minimizes backpressure while maintaining...18211708- SKU:
- 18211708
- Availability:
- Ships Same Business Day
- Weight:
- 3.78 LBS
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- STYLE:
- ROUND
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- TURBINECORE 2.1
- MUFFLER MATERIAL:
- ALUMINUM
$269.99 -
FMF Q Muffler 025173
FMF
$219.99If you're running a machine that demands both serious power and legal compliance, the FMF Q Muffler delivers where others compromise. This isn't a "quiet power" marketing claim—the Q's proprietary internal technology maintains optimal exhaust flow while...18211709- SKU:
- 18211709
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
- UNITS:
- EACH
- WEIGHT IMPERIAL:
- 3.4 LB
- MODEL:
- Q
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FEATURES:
- WITH SPARK ARRESTOR
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
FMF Powercore 2.1 Muffler - Aluminum 025177
FMF
$239.99If you're running a 4-stroke on the track, the FMF Powercore 2.1 delivers the power curve consistency you need without sacrificing longevity or sound quality. The larger diameter canister extends packing life significantly—meaning fewer mid-season...18211713- SKU:
- 18211713
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- WEIGHT IMPERIAL:
- 2.6 LB
- MODEL:
- POWERCORE 2.1
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$239.99 -
FMF Turbinecore 2.1 Muffler 025179
FMF
$269.99The FMF Turbinecore 2.1 delivers track-proven power without sacrificing durability or legal compliance. Its straight-through design eliminates backpressure while the stainless steel construction withstands extreme conditions, making it ideal for riders...18211715- SKU:
- 18211715
- Availability:
- Ships Same Business Day
- Weight:
- 4.02 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ROUND
- TYPE:
- SLIP-ON
- MATERIAL:
- ALUMINUM
- MODEL:
- TURBINECORE 2.1
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$269.99 -
FMF PowerCore 4 HEX Muffler 045589
FMF
$399.99The FMF PowerCore 4 HEX delivers measurable gains in power and torque by optimizing exhaust flow through advanced internal geometry and durable construction. If you're serious about performance, this muffler replaces restrictive OEM units with a tuned...18211716- SKU:
- 18211716
- Availability:
- Ships Same Business Day
- Weight:
- 6.67 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
$399.99 -
FMF Q4 HEX Muffler 045590
FMF
$449.99The FMF Q4 HEX Muffler delivers measurable power gains across your entire RPM range while significantly reducing system weight—letting you feel the performance improvement without unnecessary noise. Its advanced multi-chamber design with proprietary...18211717- SKU:
- 18211717
- Availability:
- Ships Same Business Day
- Weight:
- 6.71 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- WEIGHT IMPERIAL:
- 5.1 LB
- MODEL:
- Q4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP MATERIAL:
- STAINLESS STEEL
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 045594
FMF
$549.99If you're serious about performance, exhaust system design directly impacts your power output across the entire RPM band. The FMF Factory 4.1 RCT eliminates the compromises of heavier, longer mufflers by combining advanced acoustic engineering with...18211719- SKU:
- 18211719
- Availability:
- Ships Same Business Day
- Weight:
- 6.05 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
$549.99
