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 Powercore 2.1 Muffler - Aluminum 025247
FMF
$239.99If you're running a 4-stroke on the track, the FMF Powercore 2.1 delivers the smooth, consistent power curve you need across the entire RPM range without sacrificing performance. The large-diameter aluminum canister maximizes exhaust scavenging while...18211909- SKU:
- 18211909
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- PIPE MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2.1
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$239.99 -
FMF Turbinecore 2.1 Muffler 025249
FMF
$269.99The FMF Turbinecore 2.1 Muffler is engineered for riders who demand unrestricted power without sacrificing durability or legal compliance. Its straight-through design and performance flow internals eliminate backpressure, delivering measurable gains in...18211911- SKU:
- 18211911
- Availability:
- Ships Same Business Day
- Weight:
- 3.64 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- TURBINECORE 2.1
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ROUND
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
$269.99 -
FMF Powercore 2.1 Muffler - Aluminum 025252
FMF
$239.99If you're running a 4-stroke on modern tracks, intake and exhaust tuning directly impact your power curve and throttle response. The FMF Powercore 2.1 delivers a smooth, linear power band across the entire RPM range—eliminating dead spots and giving you...18211913- SKU:
- 18211913
- Availability:
- Ships Same Business Day
- Weight:
- 3.34 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MODEL:
- POWERCORE 2.1
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
$239.99 -
FMF Powercore 2.1 Shorty Muffler 025255
FMF
$449.99If you're running a high-performance build, exhaust flow and weight savings directly impact your power delivery and chassis dynamics. The FMF Powercore 2.1 Shorty combines a lightweight titanium construction with engineered perforated core technology to...18211916- SKU:
- 18211916
- Availability:
- Ships Same Business Day
- Weight:
- 4.17 LBS
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP MATERIAL:
- TITANIUM
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PRODUCT NAME:
- SILENCER
- STYLE:
- SHORT
- MODEL:
- POWERCORE 2.1 SHORTY
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$449.99 -
FMF Turbinecore 2.1 Muffler 025256
FMF
$269.99If you're running a high-revving off-road machine, exhaust scavenging directly impacts power delivery and throttle response. The FMF Turbinecore 2.1 combines a straight-through design with FMF's proprietary Turbine Dampening System to maximize flow while...18211917- SKU:
- 18211917
- Availability:
- Ships Same Business Day
- Weight:
- 3.76 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MATERIAL:
- ALUMINUM
- MODEL:
- TURBINECORE 2.1
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ROUND
$269.99 -
FMF PowerCore 4 HEX Muffler 045626
FMF
$549.99The FMF PowerCore 4 HEX delivers measurable gains in horsepower and torque while maintaining the durability required for serious riding. Its lightweight stainless steel and aluminum construction resists corrosion and thermal stress, ensuring consistent...18211918- SKU:
- 18211918
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$549.99 -
FMF Q4 HEX Muffler 045627
FMF
$569.99The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while reducing weight and sound signature—critical for off-road racers and performance enthusiasts who need their machine to work harder, not louder. Its sophisticated...18211919- SKU:
- 18211919
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- Q4 HEX
$569.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 045628
FMF
$674.99If you're running a serious two-stroke machine, exhaust flow directly impacts your power curve—and most stock mufflers leave significant performance on the table. The FMF Factory 4.1 RCT delivers measurable horsepower gains across the entire RPM band...18211920- SKU:
- 18211920
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
$674.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045629
FMF
$854.99If you're serious about maximizing power delivery across the entire RPM band while shedding unnecessary weight, the FMF Factory 4.1 RCT is engineered to deliver measurable gains without compromise. Its compact design centralizes mass and resists crash...18211921- SKU:
- 18211921
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$854.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045633
FMF
$854.99If you're serious about maximizing power across your entire RPM range while cutting unnecessary weight, the FMF Factory 4.1 RCT delivers measurable gains without compromise. Built from aerospace-grade titanium and engineered entirely in Southern...18211925- SKU:
- 18211925
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
$854.99 -
FMF Turbinecore 2 Silencer 025189
FMF
$219.99The FMF Turbinecore 2 Silencer delivers race-proven exhaust scavenging without sacrificing low-end torque or mid-range response. Its straight-through design eliminates restrictive internal baffles, allowing your engine to breathe freely while the...18211746- SKU:
- 18211746
- Availability:
- Ships Same Business Day
- Weight:
- 3.32 LBS
- MODEL:
- TURBINECORE 2
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- OVAL
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$219.99 -
FMF Powercore 2 Silencer 025205
FMF
$199.99If you're running a 2-stroke, exhaust performance directly impacts your power delivery and throttle response. The FMF Powercore 2 is the industry standard for a reason—its proven silencer design cuts back-pressure while maintaining aggressive sound and...18211785- SKU:
- 18211785
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
- COLOR/FINISH:
- SILVER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP STYLE:
- CONICAL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON SILENCER
$199.99 -
FMF Turbinecore 2 Silencer 025207
FMF
$219.99If you're running a high-performance two-stroke engine, exhaust flow restriction is costing you real horsepower and throttle response. The FMF Turbinecore 2 Silencer delivers the straight-through design and minimal backpressure you need to unlock your...18211787- SKU:
- 18211787
- Availability:
- Ships Same Business Day
- Weight:
- 3.46 LBS
- BASE COLOR:
- SILVER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- OVAL
- WEIGHT IMPERIAL:
- 3.5 LB
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- TURBINECORE 2
$219.99 -
FMF Powercore 2.1 Muffler - Aluminum 025208
FMF
$239.99If you're running a 4-stroke on the track, the FMF Powercore 2.1 delivers the exhaust scavenging efficiency and tunable power curve that separates consistent lap times from inconsistent ones. The oversized aluminum canister resists packing degradation,...18211788- SKU:
- 18211788
- Availability:
- Ships Same Business Day
- Weight:
- 3.59 LBS
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2.1
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$239.99 -
FMF Powercore 2.1 Muffler - Titanium 025209
FMF
$449.99If you're running a 4-stroke on modern track setups, the FMF Powercore 2.1 Muffler delivers the smooth, linear power curve you need without sacrificing responsiveness across the RPM band. The oversized canister design extends packing life and gives you...18211789- SKU:
- 18211789
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- TITANIUM
- MODEL:
- POWERCORE 2.1
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
$449.99Qty in Cart: 0Quantity:Price:$449.99Subtotal: -
FMF Turbinecore 2.1 Muffler 025210
FMF
$269.99The FMF Turbinecore 2.1 Muffler delivers unrestricted power without sacrificing durability or legal compliance. Its straight-through design and performance flow construction eliminate backpressure while maintaining U.S. Forest Service approval—ideal for...18211790- SKU:
- 18211790
- Availability:
- Ships Same Business Day
- Weight:
- 3.88 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- TURBINECORE 2.1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- ROUND
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
$269.99 -
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
