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
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FMF Exhaust O-Ring Kit - KTM 014803
FMF
$12.99Exhaust pipe O-rings18600607- SKU:
- 18600607
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- O-RING
- TYPE:
- EXHAUST
- UNITS:
- PAIR
$12.99 -
FMF Quiet Core Spark Arrestor Insert - Q4 Hex 040671
FMF
$39.99Replacement 4-Stroke Exhaust Spark Arrestor Screen Insert18600701- SKU:
- 18600701
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- SCREEN INSERT
- TYPE:
- SPARK ARRESTOR
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- Q4 HEX
$39.99 -
FMF Spark Arrestor - Powercore 4 Hex 040670
FMF
$29.99Replacement 4-Stroke Exhaust Spark Arrestor Screen Insert18600703- SKU:
- 18600703
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- SCREEN INSERT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MODEL:
- POWERCORE 4 HEX
- TYPE:
- SPARK ARRESTOR
$29.99 -
FMF Exhaust O-Rings 014822
FMF
$12.99Exhaust pipe O-rings18600931- SKU:
- 18600931
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- RUBBER
- TYPE:
- EXHAUST
- UNITS:
- PAIR
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- OFF-ROAD
$12.99 -
FMF Exhaust O-Rings 014823
FMF
$12.99Exhaust pipe O-rings18600932- SKU:
- 18600932
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- RUBBER
- TYPE:
- EXHAUST
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$12.99 -
FMF Exhaust O-Rings 014824
FMF
$12.99Exhaust pipe O-rings18600933- SKU:
- 18600933
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- O-RING
- MATERIAL:
- RUBBER
- TYPE:
- EXHAUST
$12.99 -
FMF Universal Strap 020480
FMF
$24.99Universal fitment for FMF 2-stroke mufflers/spark arrestors18600935- SKU:
- 18600935
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- STRAP
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- TYPE:
- MOUNTING STRAP
$24.99 -
FMF Heat Shield - Stainless 040231
FMF
$34.99Replacement universal heat shield for FMF head pipes18610043- SKU:
- 18610043
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- SHIELD
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- HEAT SHIELD
- RIDING STYLE:
- UTV
- STYLE:
- UNIVERSAL
- UNITS:
- EACH
$34.99 -
FMF Wrap Decal - Mini Replacement 014851
FMF
$16.99FMF Wrap Decal - Mini Replacement18602113- SKU:
- 18602113
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- COLOR/FINISH:
- YELLOW
- GRAPHIC:
- FMF LOGO
- BASE COLOR:
- BLACK
- BASE COLOR:
- RED
- BASE COLOR:
- YELLOW
- STYLE:
- FACTORY 4.1 MINI
- TYPE:
- EXHAUST
- UNITS:
- EACH
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- DECAL
$16.99 -
FMF Replacement Ring - Factory 4.1 RCT 040677
FMF
$5.99Retaining ring for FMF 4-Stroke exhaust system18601050- SKU:
- 18601050
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RETAINING RING
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- REPLACEMENT COMPONENT
- UNITS:
- EACH
$5.99 -
FMF Spark Arrestor Insert - 4.1 RCT 040638
FMF
$39.99Replacement 4-Stroke Exhaust Spark Arrestor Screen Insert18610698- SKU:
- 18610698
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- TYPE:
- SPARK ARRESTOR
- UNITS:
- EACH
- PRODUCT NAME:
- SCREEN INSERT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY 4.1 RCT
$39.99 -
FMF Heat Shield - Titanium 040230
FMF
$49.99Replacement universal heat shield for FMF head pipes18610169- SKU:
- 18610169
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SHIELD
- RIDING STYLE:
- ATV
- TYPE:
- HEAT SHIELD
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- UNIVERSAL
$49.99 -
FMF 94dB Spark Arrestor Insert - 4.1 RCT 040678
FMF
$39.99Replacement 4-Stroke Exhaust Spark Arrestor Screen Insert18611097- SKU:
- 18611097
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- SCREEN INSERT
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- FACTORY 4.1
- MODEL:
- FACTORY 4.1 RCT
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SPARK ARRESTOR
$39.99 -
FMF Powercore 2.1 Shorty Muffler 025213
FMF
$239.99The measure which others aim for, With their lightweight titanium or extruded aluminum oval canisters mated to a perforated core, these silencers are above the competition18211816- SKU:
- 18211816
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- POWERCORE 2.1 SHORTY
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- WEIGHT REDUCTION IMPERIAL:
- 1.5 LB
- END CAP MATERIAL:
- STAINLESS STEEL
- STYLE:
- SHORT
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$239.99 -
FMF Powercore 2.1 Shorty Muffler 025214
FMF
$449.99The measure which others aim for, With their lightweight titanium or extruded aluminum oval canisters mated to a perforated core, these silencers are above the competition18211817- SKU:
- 18211817
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- MODEL:
- POWERCORE 2.1 SHORTY
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- WEIGHT REDUCTION IMPERIAL:
- 1.5 LB
- END CAP MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- STYLE:
- SHORT
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 043364
FMF
$599.99The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally, In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering -...18211857- SKU:
- 18211857
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- FACTORY 4.1 RCT
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
$599.99 -
FMF Turbinecore 2.1 Muffler 025231
FMF
$269.99The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power, The 2.1 utilizes a shape inspired by the 4.1 system,...18211864- SKU:
- 18211864
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
- MODEL:
- TURBINECORE 2.1
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MUFFLER MATERIAL:
- ALUMINUM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ROUND
$269.99 -
FMF Powercore 2 Silencer 024070
FMF
$199.99The most popular 2-stroke silencers in FMF's arsenal, The elliptically shaped bodies with perforated core perform well in any condition, Equipped with a Performance Flow end cap and nickel-plated front stinger18211874- SKU:
- 18211874
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- END CAP STYLE:
- CONICAL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- MATERIAL:
- ALUMINUM
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON SILENCER
- RIDING STYLE:
- OFF-ROAD
$199.99 -
FMF Turbinecore 2 Silencer 024071
FMF
$219.99Uses the exclusive "Turbine Dampening System", Straight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted power18211875- SKU:
- 18211875
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 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 044451
FMF
$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...18211881- SKU:
- 18211881
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 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
