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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On Sale
FMF Muffler Sleeve - Aluminum 040650
FMF
MSRP: $19.99Now: $17.00Was: $19.99Replacement sleeves for worn out mid-pipes18600580- SKU:
- 18600580
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- ALUMINUM
- STYLE:
- ROUND
- LENGTH IMPERIAL:
- 4'
- PRODUCT NAME:
- INSERT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- MID PIPE INLET SLEEVE INSERT
MSRP: $19.99Now: $17.00Was: $19.99 -
On Sale
FMF Muffler Sleeve - Aluminum 040654
FMF
MSRP: $19.99Now: $17.00Was: $19.99Replacement sleeves for worn out mid-pipes18600584- SKU:
- 18600584
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- INSERT
- RIDING STYLE:
- OFF-ROAD
- LENGTH IMPERIAL:
- 4'
- RIDING STYLE:
- ATV
- TYPE:
- MID PIPE INLET SLEEVE INSERT
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- UTV
- STYLE:
- ROUND
MSRP: $19.99Now: $17.00Was: $19.99 -
On Sale
FMF Slip Flange - CRF250R '04-'09 040656
FMF
MSRP: $29.99Now: $25.00Was: $29.99Replaces worn-out, damaged or old flange hardware18600586- SKU:
- 18600586
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- ATV
- TYPE:
- FLANGE KIT
- PRODUCT NAME:
- KIT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- UNITS:
- KIT
MSRP: $29.99Now: $25.00Was: $29.99Qty in Cart: 0Quantity:Price:MSRP: $29.99Now: $25.00Was: $29.99Subtotal: -
On Sale
FMF Exhaust O-Ring Kit 014815
FMF
MSRP: $11.99Now: $10.00Was: $11.99Spring and O-ring kit for exhaust pipe18600818- SKU:
- 18600818
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- O-RING
- TYPE:
- EXHAUST
MSRP: $11.99Now: $10.00Was: $11.99 -
On Sale
FMF Exhaust O-Ring Kit 014814
FMF
MSRP: $12.99Now: $11.00Was: $12.99Spring and O-ring kit for exhaust pipe18600700- SKU:
- 18600700
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MATERIAL:
- RUBBER
- TYPE:
- EXHAUST
- PRODUCT NAME:
- O-RING
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $12.99Now: $11.00Was: $12.99 -
On Sale
FMF End Cap - Titanium 020522
FMF
MSRP: $74.99Now: $64.00Was: $74.99Replacement cone cap for Powercore 2:1 Silencer18601954- SKU:
- 18601954
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- TITANIUM
- PRODUCT NAME:
- END CAP
- UNITS:
- EACH
- TYPE:
- EXHAUST
MSRP: $74.99Now: $64.00Was: $74.99 -
On Sale
FMF End Cap - Stainless Steel 020521
FMF
MSRP: $59.99Now: $51.00Was: $59.99Replacement cone cap for Powercore 2:1 Silencer18601957- SKU:
- 18601957
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- END CAP
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
MSRP: $59.99Now: $51.00Was: $59.99Qty in Cart: 0Quantity:Price:MSRP: $59.99Now: $51.00Was: $59.99Subtotal: -
On Sale
FMF Colorways Logo Kit - Blue 014849
FMF
MSRP: $17.99Now: $15.00Was: $17.99FMF Colorways Logo Kit - Blue18602112- SKU:
- 18602112
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BASE COLOR:
- BLUE
- BASE COLOR:
- YELLOW
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- DECAL
- COLOR/FINISH:
- RED
- GRAPHIC:
- FMF LOGO
- STYLE:
- COLORWAYS 4.1
- TYPE:
- EXHAUST
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- OFF-ROAD
MSRP: $17.99Now: $15.00Was: $17.99 -
On Sale
FMF End Cap - Stainless Steel - Powercore 4/Q4 040676
FMF
MSRP: $49.99Now: $42.00Was: $49.99Replacement rear cone cap18601049- SKU:
- 18601049
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- CAP
- END CAP STYLE:
- SLASH-CUT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- TI POWERCORE 4
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- STYLE:
- ROUND
- TYPE:
- END CAP
MSRP: $49.99Now: $42.00Was: $49.99 -
On Sale
FMF 4.1 RCT Spark Arrestor Insert 040681
FMF
MSRP: $39.99Now: $34.00Was: $39.99For use with Factory 4.118601372- SKU:
- 18601372
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MODEL:
- FACTORY 4.1 RCT
- TYPE:
- SPARK ARRESTOR
- UNITS:
- EACH
- PRODUCT NAME:
- INSERT
- RIDING STYLE:
- OFF-ROAD
MSRP: $39.99Now: $34.00Was: $39.99Qty in Cart: 0Quantity:Price:MSRP: $39.99Now: $34.00Was: $39.99Subtotal: -
On Sale
FMF PowerCore 4 HEX Muffler 043362
FMF
MSRP: $399.99Now: $340.00Was: $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...18211855- SKU:
- 18211855
- Availability:
- Ships Same Business Day
- Weight:
- 6.70 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4 HEX
MSRP: $399.99Now: $340.00Was: $399.99Qty in Cart: 0Quantity:Price:MSRP: $399.99Now: $340.00Was: $399.99Subtotal: -
On Sale
FMF Factory 4.1 RCT Muffler - Anodized Titanium 043365
FMF
MSRP: $749.99Now: $637.00Was: $749.99The 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 -...18211858- SKU:
- 18211858
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
MSRP: $749.99Now: $637.00Was: $749.99Qty in Cart: 0Quantity:Price:MSRP: $749.99Now: $637.00Was: $749.99Subtotal: -
On Sale
FMF Turbinecore 2.1 Muffler 025233
FMF
MSRP: $269.99Now: $229.00Was: $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,...18211866- SKU:
- 18211866
- Availability:
- Ships Same Business Day
- Weight:
- 4.27 LBS
- MODEL:
- TURBINECORE 2.1
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- SLASH-CUT
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ROUND
MSRP: $269.99Now: $229.00Was: $269.99 -
On Sale
FMF Powercore 2.1 Muffler - Titanium 025248
FMF
MSRP: $449.99Now: $382.00Was: $449.99Built to provide excellent power for today’s tracks geared toward 4-stroke machines, Smooth power curve throughout the RPM range, Large diameter canister for more tenability and longer lasting packing life, Delivers a crisp, notable sound, Optimally...18211910- SKU:
- 18211910
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- END CAP MATERIAL:
- TITANIUM
- MODEL:
- POWERCORE 2.1
- MUFFLER MATERIAL:
- TITANIUM
- PRODUCT NAME:
- SILENCER
- UNITS:
- EACH
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
MSRP: $449.99Now: $382.00Was: $449.99 -
On Sale
FMF Powercore 2 Silencer 025186
FMF
MSRP: $199.99Now: $170.00Was: $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 stinger18211745- SKU:
- 18211745
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- COLOR/FINISH:
- SILVER
- END CAP STYLE:
- CONICAL
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
- TYPE:
- SLIP-ON SILENCER
MSRP: $199.99Now: $170.00Was: $199.99Qty in Cart: 0Quantity:Price:MSRP: $199.99Now: $170.00Was: $199.99Subtotal: -
On Sale
FMF Factory 4.1 RCT Muffler - Anodized Titanium 045596
FMF
MSRP: $599.99Now: $510.00Was: $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 -...18211721- SKU:
- 18211721
- Availability:
- Ships Same Business Day
- Weight:
- 7.05 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- END CAP MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
MSRP: $599.99Now: $510.00Was: $599.99Qty in Cart: 0Quantity:Price:MSRP: $599.99Now: $510.00Was: $599.99Subtotal: -
On Sale
FMF Factory 4.1 RCT Muffler - Aluminum 042330
FMF
MSRP: $599.99Now: $510.00Was: $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 -...18211726- SKU:
- 18211726
- Availability:
- Ships Same Business Day
- Weight:
- 7.70 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- UNITS:
- EACH
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
MSRP: $599.99Now: $510.00Was: $599.99Qty in Cart: 0Quantity:Price:MSRP: $599.99Now: $510.00Was: $599.99Subtotal: -
On Sale
FMF Powercore 2 Silencer 025053
FMF
MSRP: $199.99Now: $170.00Was: $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 stinger18211358- SKU:
- 18211358
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- TYPE:
- SLIP-ON SILENCER
- COLOR/FINISH:
- SILVER
- END CAP STYLE:
- CONICAL
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
MSRP: $199.99Now: $170.00Was: $199.99Qty in Cart: 0Quantity:Price:MSRP: $199.99Now: $170.00Was: $199.99Subtotal: -
On Sale
FMF Powercore 2 Silencer 025102
FMF
MSRP: $199.99Now: $170.00Was: $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 stinger18211452- SKU:
- 18211452
- Availability:
- Ships Same Business Day
- Weight:
- 2.14 LBS
- BASE COLOR:
- SILVER
- END CAP COLOR/FINISH:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 2
- STYLE:
- ELLIPTICAL
- TYPE:
- SLIP-ON SILENCER
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
MSRP: $199.99Now: $170.00Was: $199.99Qty in Cart: 0Quantity:Price:MSRP: $199.99Now: $170.00Was: $199.99Subtotal: -
On Sale
FMF PowerCore 4 HEX Muffler 042309
FMF
MSRP: $399.99Now: $340.00Was: $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...18211521- SKU:
- 18211521
- Availability:
- Ships Same Business Day
- Weight:
- 6.57 LBS
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- POWERCORE 4 HEX
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
MSRP: $399.99Now: $340.00Was: $399.99
