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
-
FMF Powercore 4 Exhaust 042005
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...FMF042005- SKU:
- FMF042005
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP STYLE:
- EURO
- FEATURES:
- STANDARD
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
$279.99 -
FMF Powercore 4 Exhaust 042002
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...FMF042002- SKU:
- FMF042002
- Availability:
- Ships Same Business Day
- Weight:
- 3.92 LBS
- END CAP STYLE:
- EURO
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- STYLE:
- ELLIPTICAL
$299.99 -
FMF Powercore 4 Exhaust 041014
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...FMF041014- SKU:
- FMF041014
- Availability:
- Ships Same Business Day
- Weight:
- 3.49 LBS
- END CAP STYLE:
- EURO
- FEATURES:
- STANDARD
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$279.99 -
FMF Powercore 4 Exhaust 040084
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...FMF040084- SKU:
- FMF040084
- Availability:
- Ships Same Business Day
- Weight:
- 3.43 LBS
- END CAP STYLE:
- EURO
- FEATURES:
- WITH SPARK ARRESTOR
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- BASE COLOR:
- SILVER
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
$299.99 -
FMF Powercore 4 Exhaust 040083
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...FMF040083- SKU:
- FMF040083
- Availability:
- Ships Same Business Day
- Weight:
- 3.17 LBS
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- END CAP STYLE:
- EURO
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- FEATURES:
- STANDARD
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
$279.99 -
FMF Powercore 4 Exhaust 040080
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...FMF040080- SKU:
- FMF040080
- Availability:
- Ships Same Business Day
- Weight:
- 3.24 LBS
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ELLIPTICAL
- BASE COLOR:
- SILVER
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- FEATURES:
- WITH SPARK ARRESTOR
- UNITS:
- KIT
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
$279.99 -
FMF Powercore 4 Exhaust 040071
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...FMF040071- SKU:
- FMF040071
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
- END CAP STYLE:
- EURO
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$299.99 -
FMF Factory Fatty Pipe - '02-'18 YZ85 024039
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...FMF024039- SKU:
- FMF024039
- Availability:
- Ships Same Business Day
- Weight:
- 4.85 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- UNITS:
- EACH
$299.99 -
FMF Factory Fatty Pipe 023043
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...FMF023043- SKU:
- FMF023043
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- UNITS:
- EACH
- TYPE:
- EXHAUST
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$299.99 -
FMF Factory 4.1 Exhaust - Aluminum/Stainless Steel 042380
FMF
$409.99Superior power than stock systems, Available with titanium and stainless steel headers, FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage, Innovative rear end cap features simple installation of tuning tip inserts or...18201966- SKU:
- 18201966
- Availability:
- Ships Same Business Day
- Weight:
- 3.94 LBS
- MUFFLER MATERIAL:
- ALUMINUM
- MODEL:
- FACTORY 4.1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- FULL SYSTEM
$409.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045663
FMF
$1,174.99The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally, Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to the...18201960- SKU:
- 18201960
- Availability:
- Ships Same Business Day
- Weight:
- 11.10 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$1,174.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045654
FMF
$1,174.99The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally, Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to the...18201958- SKU:
- 18201958
- Availability:
- Ships Same Business Day
- Weight:
- 9.95 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- EXHAUST SYSTEM
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- FULL SYSTEM
$1,174.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045652
FMF
$1,174.99The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally, Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to the...18201956- SKU:
- 18201956
- Availability:
- Ships Same Business Day
- Weight:
- 10.80 LBS
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
$1,174.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Aluminum 045662
FMF
$1,074.99The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally, Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to the...18201959- SKU:
- 18201959
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- PRODUCT NAME:
- EXHAUST SYSTEM
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
$1,074.99Qty in Cart: 0Quantity:Price:$1,074.99Subtotal: -
Pro Circuit T-6 Dual Exhaust Honda CRF450R 2019-2020 0111945G2
PRO CIRCUIT
$1,295.95Pro Circuit T-6 Dual Full System Exhaust - Part #0111945G2 Elevate your riding experience with the Pro Circuit T-6 Dual Full System Exhaust, meticulously crafted for enthusiasts who demand exceptional performance and reliability. This exhaust system is...18201898- SKU:
- 18201898
- Availability:
- Ships Same Business Day
- Weight:
- 18.60 LBS
- DESIGN/CONFIGURATION:
- DUAL CANISTER
- END CAP MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,295.95Qty in Cart: 0Quantity:Price:$1,295.95Subtotal: -
Pro Circuit Ti-6 Pro Exhaust System Suzuki RM-Z 250 2019-2025 0341925FP
PRO CIRCUIT
$1,396.95Unleash your bike's full potential with the Pro Circuit Ti-6 Pro Exhaust System, meticulously engineered for competitive racers seeking unmatched performance. This cutting-edge exhaust system is designed to excel in the demanding environments of AMA...18201906- SKU:
- 18201906
- Availability:
- Ships Same Business Day
- Weight:
- 10.80 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- END CAP COLOR/FINISH:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- FEATURES:
- WITHOUT SPARK ARRESTOR
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,396.95 -
Pro Circuit T-6 Exhaust System for Suzuki RM-Z250 2019-2025 0141925G
PRO CIRCUIT
$1,089.95Pro Circuit T-6 Stainless Steel Exhaust System - Part #0141925G Experience unparalleled performance with the Pro Circuit T-6 Stainless Steel Exhaust System, engineered for riders who demand the best. This exhaust system enhances both power and...18201908- SKU:
- 18201908
- Availability:
- Ships Same Business Day
- Weight:
- 12.20 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- UNITS:
- EACH
$1,089.95 -
Pro Circuit Ti-6 Exhaust System for Suzuki RM-Z250 2019-2025 0341925F
PRO CIRCUIT
$1,396.95Pro Circuit Ti-6 Titanium Exhaust System - Part #0341925F Elevate your riding performance with the Pro Circuit Ti-6 Titanium Exhaust System, engineered for those who demand nothing less than excellence. This high-performance exhaust system is tailored...18201909- SKU:
- 18201909
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- PIPE MATERIAL:
- TITANIUM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- MODEL:
- TI-6
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
$1,396.95 -
Pro Circuit T-6 Titanium Exhaust System Honda CRF450X 2019-2025 0111945GX
PRO CIRCUIT
$1,275.95Elevate your riding experience with the Pro Circuit T-6 Stainless Steel/Titanium Exhaust System, meticulously crafted for those who demand peak performance and reliability. This premium exhaust system combines robust stainless steel with lightweight...18201910- SKU:
- 18201910
- Availability:
- Ships Same Business Day
- Weight:
- 12.40 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- STYLE:
- ASYMMETRICAL
- UNITS:
- EACH
$1,275.95Qty in Cart: 0Quantity:Price:$1,275.95Subtotal: -
Pro Circuit Works Pipe KTM 250 SX 2019 0751925-O
PRO CIRCUIT
$349.95Pro Circuit Works Pipe - Part #0751925-O Elevate your two-stroke bike's performance with the Pro Circuit Works Pipe, engineered for riders who demand unparalleled power and precision. This high-performance pipe not only enhances horsepower and throttle...18201911- SKU:
- 18201911
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- TYPE:
- EXHAUST
- PRODUCT NAME:
- PIPE
- COLOR/FINISH:
- RAW
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- MODEL:
- WORKS
- RIDING STYLE:
- OFF-ROAD
$349.95
