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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DEI Exhaust Tie 010212
DEI
$8.95Secures to exhaust pipes with self-locking design, Perfect for multiple uses, including bundling wires and hoses, Simply slide end into locking mechanism and pull tight, Can withstand up to 2500°F, Made in the U.S.A.18611552- SKU:
- 18611552
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- LOCKING TIES
- RIDING STYLE:
- ATV
- LENGTH IMPERIAL:
- 14'
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- WIDTH IMPERIAL:
- 0.50'
$8.95 -
DEI Heat Shield 010450
DEI
$65.57A flexible heat shield solution that looks great and outperforms other conventional heat shields available today, Onyx Series is made with heat-treated glass fiber and bonded with molten aluminum, Titanium Series is made with pulverized lava rock fabric,...18611565- SKU:
- 18611565
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- HEAT SHIELD
- RIDING STYLE:
- STREET
- STYLE:
- FLEXIBLE
- TYPE:
- TITANIUM
- WIDTH IMPERIAL:
- 6'
- LENGTH IMPERIAL:
- 12'
- MATERIAL:
- LAVA ROCK
$65.57 -
DEI Heat Shield 010451
DEI
$75.95A flexible heat shield solution that looks great and outperforms other conventional heat shields available today, Onyx Series is made with heat-treated glass fiber and bonded with molten aluminum, Titanium Series is made with pulverized lava rock fabric,...18611566- SKU:
- 18611566
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- STYLE:
- FLEXIBLE
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 24'
- MATERIAL:
- LAVA ROCK
- WIDTH IMPERIAL:
- 6'
- PRODUCT NAME:
- HEAT SHIELD
- RIDING STYLE:
- STREET
- TYPE:
- TITANIUM
$75.95 -
DEI Heat Shield 902453
DEI
$55.95A flexible heat shield solution that looks great and outperforms other conventional heat shields available today, Onyx Series is made with heat-treated glass fiber and bonded with molten aluminum, Titanium Series is made with pulverized lava rock fabric,...18611568- SKU:
- 18611568
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- HEAT SHIELD
- UNITS:
- EACH
- WIDTH IMPERIAL:
- 4'
- LENGTH IMPERIAL:
- 8'
- MATERIAL:
- LAVA ROCK
- RIDING STYLE:
- STREET
- STYLE:
- FLEXIBLE
- TYPE:
- TITANIUM
$55.95 -
FMF Powercore 4 HEX Muffler 044462
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...18212010- SKU:
- 18212010
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$399.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 044464
FMF
$674.99The 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 -...18212012- SKU:
- 18212012
- Availability:
- Ships Same Business Day
- Weight:
- 8.40 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
$674.99 -
FMF Factory 4.1 RCT Muffler - Anodized Titanium 044466
FMF
$799.99The 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 -...18212013- SKU:
- 18212013
- Availability:
- Ships Same Business Day
- Weight:
- 8.40 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- MUFFLER
$799.99 -
FMF Factory 4.1 Muffler 042394
FMF
$599.99FMF Factory 4.1 Muffler18212035- SKU:
- 18212035
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- PRODUCT NAME:
- MUFFLER
- END CAP STYLE:
- CONICAL
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- MODEL:
- FACTORY 4.1 RCT
- RIDING STYLE:
- OFF-ROAD
- END CAP COLOR/FINISH:
- BLACK
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- ALUMINUM
$599.99 -
FMF Factory 4.1 Muffler 042396
FMF
$749.99FMF Factory 4.1 Muffler18212036- SKU:
- 18212036
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- COLOR/FINISH:
- ANODIZED
- MODEL:
- FACTORY 4.1 RCT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- END CAP STYLE:
- CONICAL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- END CAP COLOR/FINISH:
- SILVER
- MATERIAL:
- TITANIUM
$749.99 -
FMF Powercore 4 Muffler 042392
FMF
$399.99FMF Powercore 4 Muffler18212038- SKU:
- 18212038
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
$399.99 -
FMF Powercore 4 Muffler 041600
FMF
$399.99FMF Powercore 4 Muffler18212041- SKU:
- 18212041
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- TYPE:
- SLIP-ON
$399.99 -
FMF Q4 Muffler 041601
FMF
$449.99FMF Q4 Muffler18212042- SKU:
- 18212042
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MODEL:
- Q4 HEX
- TYPE:
- SLIP-ON
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
$449.99 -
FMF Factory 4.1 Muffler 041602
FMF
$674.99FMF Factory 4.1 Muffler18212043- SKU:
- 18212043
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$674.99 -
FMF Factory 4.1 Muffler 041603
FMF
$899.99FMF Factory 4.1 Muffler18212044- SKU:
- 18212044
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
- TYPE:
- SLIP-ON
$899.99 -
FMF PowerBomb Header 042037
FMF
$249.99Utilize FMF's patented module precisely located at the initial stage of the header, Position "Bomb" increases performance; horsepower is increased as much as 10%, Act as "pre-muffler" helping to lower the decibel output, The expansion and contraction of...18220012- SKU:
- 18220012
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERBOMB
- UNITS:
- EACH
- COLOR/FINISH:
- STAINLESS STEEL
- PRODUCT NAME:
- HEADER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- HEAD PIPE
$249.99 -
FMF Powercore 4 with Spark Arrestor 043376
FMF
$399.99Overall increase in power and torque, Durable stainless steel and aluminum construction, Advanced packing material for maximum longevity, Removable spark arrestor included18212016- SKU:
- 18212016
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- BASE COLOR:
- SILVER
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
$399.99 -
FMF Q4 Muffler 043377
FMF
$449.99Developed over years of championship off-road racing, Employs intricate chambers, baffles and proprietary multistage packing material, Max Sound output 96dB, Constructed from aircraft grade aluminum and high strength stainless steel, Use with FMF or...18212017- SKU:
- 18212017
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
- END CAP STYLE:
- CONICAL
- MODEL:
- Q4
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- RAW
$449.99 -
FMF Factory 4.1 Muffler 041592
FMF
$299.99Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature exclusive proprietary Chamber Core...18212018- SKU:
- 18212018
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- MODEL:
- FACTORY 4.1
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
$299.99 -
FMF Factory 4.1 Muffler 041593
FMF
$349.99Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature exclusive proprietary Chamber Core...18212019- SKU:
- 18212019
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- MODEL:
- FACTORY 4.1
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
$349.99 -
FMF Factory 4.1 Muffler 041595
FMF
$349.99Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps, The lightest mufflers available, Superior power and performance - horsepower improved throughout the rpm range, Feature exclusive proprietary Chamber Core...18212021- SKU:
- 18212021
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- COLOR/FINISH:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- COLOR/FINISH:
- ANODIZED
- TYPE:
- SLIP-ON
- MODEL:
- FACTORY 4.1
- UNITS:
- EACH
$349.99
