Dirt Bike Exhaust Kits
Dirt Bike Exhaust Kits for Honda CRF & Yamaha YZ at JJ Motorsports
Unlock more power and lighter weight with premium dirt bike exhaust kits from JJ Motorsports, featuring full systems with headers, mid-pipes, and mufflers for superior flow, reduced weight, and aggressive sound in motocross and enduro riding. Compatible with Honda CRF and Yamaha YZ models, these Pro Circuit kits deliver bolt-on gains in horsepower, torque, and throttle response with stainless steel or titanium construction for durability.
Shop Pro Circuit exhaust systems at JJ Motorsports for race-proven performance. Explore related categories such as dirt bike silencers and mufflers for slip-ons or dirt bike air and fuel for tuning essentials.
Top Dirt Bike Exhaust Kits
- Pro Circuit T-6 Exhaust Yamaha YZ125 2014-2023 0111311G – Complete T-6 system with stainless header and aluminum muffler for 2-stroke power gains.
- Pro Circuit Ti-6 Exhaust System Honda CRF250R 2022 0312225F – Titanium full system with hex muffler for lightweight performance and crisp sound.
- Pro Circuit T-6 Exhaust System with Carbon Fiber End Cap Honda CRF450R 2022 0352245F – T-6 system with carbon end cap for reduced weight and premium styling.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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AKRAPOVIC Evolution Exhaust - Titanium S-H2MET12-CIQTA
AKRAPOVIC
$1,801.95The flagship of the Akrapovic exhaust system range and simply the finest exhaust system available, The flagship of the Akrapovic exhaust system range and simply the finest exhaust system available, Used and tested by our top factory teams in motorcycle...18201982- SKU:
- 18201982
- Availability:
- Ships Same Business Day
- Weight:
- 12.30 LBS
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PIPE MATERIAL:
- TITANIUM
- MATERIAL:
- TITANIUM
$1,801.95 -
On Sale
ATHENA Exhaust Pipe P400485120002
ATHENA
MSRP: $629.95Now: $567.00Was: $629.95Adds power and performance, Precision-crafted systems include all necessary hardware for installation18200383- SKU:
- 18200383
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
- END CAP STYLE:
- TURN-OUT
- UNITS:
- EACH
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- PRODUCT NAME:
- EXHAUST SYSTEM
- MATERIAL:
- TITANIUM
- RIDING STYLE:
- STREET
- TYPE:
- FULL SYSTEM
MSRP: $629.95Now: $567.00Was: $629.95 -
AKRAPOVIC Race Exhaust - Stainless Steel/Carbon Fiber S-Y5R5-RC
AKRAPOVIC
$1,146.95Hexagonal-shaped canister with titanium outer sleeve, Hexagonal mufflers feature a carbon-fiber outlet cap to match the design of each bike, Outlet cap, perforated inner sleeve and inlet cap are all made of titanium, Joint of the inlet cap is milled on a...18102590- SKU:
- 18102590
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- END CAP COLOR/FINISH:
- CARBON FIBER
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- TYPE:
- FULL SYSTEM
- COLOR/FINISH:
- BLACK
- MODEL:
- RACING LINE
- WEIGHT IMPERIAL:
- 7.5 LB
- BASE COLOR:
- BLACK
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- HEXAGONAL
- WEIGHT REDUCTION IMPERIAL:
- 11.25 LB
- UNITS:
- EACH
$1,146.95 -
On Sale
LEOVINCE Exhaust - Kymco 50 7470
LEOVINCE
MSRP: $223.95Now: $201.56Was: $223.95LEOVINCE Exhaust - Kymco 5018102895- SKU:
- 18102895
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- GRANTURISMO
- PRODUCT NAME:
- EXHAUST SYSTEM
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- FULL SYSTEM
MSRP: $223.95Now: $201.56Was: $223.95Qty in Cart: 0Quantity:Price:MSRP: $223.95Now: $201.56Was: $223.95Subtotal: -
On Sale
LEOVINCE TT Exhaust - Kymco 4048
LEOVINCE
MSRP: $198.95Now: $179.06Was: $198.95Designed to enhance 2-stroke engine performance, Steel expansion chamber with transparent paint finishing, Steel silencer with aluminum sleeve, Hand made TIG weldings18102368- SKU:
- 18102368
- Availability:
- Ships Same Business Day
- Weight:
- 8.50 LBS
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BRUSHED
- MATERIAL:
- STEEL
- MUFFLER STYLE:
- ROUND
- TYPE:
- FULL SYSTEM
MSRP: $198.95Now: $179.06Was: $198.95 -
On Sale
LEOVINCE TT Exhaust 4053
LEOVINCE
MSRP: $198.95Now: $179.06Was: $198.95Designed to enhance 2-stroke engine performance, Steel expansion chamber with transparent paint finishing, Steel silencer with aluminum sleeve, Hand made TIG weldings18102257- SKU:
- 18102257
- Availability:
- Ships Same Business Day
- Weight:
- 8.45 LBS
- MATERIAL:
- ALUMINUM
- MUFFLER MATERIAL:
- ALUMINUM
- MUFFLER STYLE:
- ROUND
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- STREET
- TYPE:
- FULL SYSTEM
- COLOR/FINISH:
- BRUSHED
- MATERIAL:
- STEEL
- UNITS:
- EACH
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
MSRP: $198.95Now: $179.06Was: $198.95 -
FMF Factory Fatty Pipe 024052
FMF
$299.99The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve while boosting gains throughout...18200135- SKU:
- 18200135
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MODEL:
- FACTORY FATTY
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$299.99 -
FMF Factory Fatty Pipe 024056
FMF
$299.99The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve while boosting gains throughout...18200175- SKU:
- 18200175
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MATERIAL:
- STEEL
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Factory Fatty Pipe - '05-'07 CR250R 021055
FMF
$299.99The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve while boosting gains throughout...18200217- SKU:
- 18200217
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Powercore 4 Exhaust 044272
FMF
$279.99Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel mid-pipe mates to the...18200739- SKU:
- 18200739
- Availability:
- Ships Same Business Day
- Weight:
- 3.09 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- STYLE:
- ELLIPTICAL
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- END CAP STYLE:
- EURO
- FEATURES:
- STANDARD
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$279.99 -
FMF Factory Fatty Pipe 025121
FMF
$299.99The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve while boosting gains throughout...18201110- SKU:
- 18201110
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY FATTY
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$299.99 -
FMF Factory Fatty Pipe 025133
FMF
$299.99The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve while boosting gains throughout...18201114- SKU:
- 18201114
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Factory Fatty Pipe 025090
FMF
$299.99The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve while boosting gains throughout...18200496- SKU:
- 18200496
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MATERIAL:
- STEEL
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Powercore 4 Exhaust 040011
FMF
$299.99Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel mid-pipe mates to the...18201317- SKU:
- 18201317
- Availability:
- Ships Same Business Day
- Weight:
- 3.56 LBS
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
$299.99 -
FMF Powercore 4 Exhaust 044157
FMF
$299.99Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel mid-pipe mates to the...18201322- SKU:
- 18201322
- Availability:
- Ships Same Business Day
- Weight:
- 3.91 LBS
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
$299.99Qty in Cart: 0Quantity:Price:$299.99Subtotal: -
FMF Powercore 4 Exhaust 040072
FMF
$279.99Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel mid-pipe mates to the...18201341- SKU:
- 18201341
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- FEATURES:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
$279.99 -
FMF Factory Fatty Pipe 025101
FMF
$289.99The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve while boosting gains throughout...18201385- SKU:
- 18201385
- Availability:
- Ships Same Business Day
- Weight:
- 2.34 LBS
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MATERIAL:
- STEEL
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
$289.99 -
FMF Powercore 4 Exhaust 041501
FMF
$279.99Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel mid-pipe mates to the...18201402- SKU:
- 18201402
- Availability:
- Ships Same Business Day
- Weight:
- 3.37 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- FEATURES:
- STANDARD
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
- BASE COLOR:
- SILVER
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
$279.99 -
FMF Powercore 4 Exhaust 041502
FMF
$299.99Hi-Flo end cap boosts all-around performance, Computer designed and dyno-tested for every 4-stroke application, Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power, A stainless steel mid-pipe mates to the...18201403- SKU:
- 18201403
- Availability:
- Ships Same Business Day
- Weight:
- 3.99 LBS
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
$299.99 -
FMF Factory Fatty Pipe - KX85/100 022062
FMF
$299.99The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ craftsmanship and material quality, Broadens and smooths out the power curve while boosting gains throughout...18201538- SKU:
- 18201538
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
- MATERIAL:
- STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
$299.99
