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
-
AKRAPOVIC Evolution Exhaust - Titanium S-H2MET12-CIQTA
AKRAPOVIC
$1,801.95Factory-proven performance gains demand a factory-grade exhaust system. The Akrapovic Evolution Titanium delivers measurable horsepower and torque increases while shedding weight at the rear of the motorcycle—a critical advantage for handling and...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 -
LEOVINCE Exhaust - Kymco 50 7470
LEOVINCE
$223.95The LEOVINCE Exhaust System for Kymco 50 delivers measurable gains in power delivery and throttle response by optimizing exhaust scavenging and reducing backpressure. A quality aftermarket exhaust is one of the most cost-effective upgrades for extracting...18102895- 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
$223.95Qty in Cart: 0Quantity:Price:$223.95Subtotal: -
LEOVINCE TT Exhaust - Kymco 4048
LEOVINCE
$198.95For 2-stroke engines demanding peak performance, exhaust scavenging efficiency directly impacts horsepower and throttle response. The LeoVince TT Exhaust for Kymco 4048 delivers optimized expansion chamber tuning that maximizes exhaust gas velocity and...18102368- 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
$198.95 -
LEOVINCE TT Exhaust 4053
LEOVINCE
$198.95If you're running a 2-stroke engine and leaving performance on the table, a quality exhaust system is one of the highest-impact upgrades you can make. The LEOVINCE TT Exhaust 4053 delivers measurable gains in power and throttle response through precision...18102257- 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
$198.95 -
FMF Factory Fatty Pipe 024052
FMF
$299.99If you're serious about extracting maximum performance from your machine, the FMF Factory Fatty Pipe delivers across the entire power band—not just peak numbers. By smoothing out the power curve with hand-pounded seams and precision material selection,...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
$299.99If you're looking to unlock real power gains across your entire powerband without compromise, the FMF Factory Fatty Pipe delivers measurable improvements in low-end torque, midrange response, and top-end rev capability. Built using the same construction...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
$299.99If you're running a CR250R and want measurable power gains across the entire rev range, the FMF Factory Fatty Pipe delivers the goods. This hand-crafted exhaust smooths out the power curve while adding low-end torque, mid-range punch, and extended...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
$299.99Qty in Cart: 0Quantity:Price:$299.99Subtotal: -
FMF Powercore 4 Exhaust 044272
FMF
$279.99The FMF Powercore 4 delivers measurable horsepower gains through optimized exhaust scavenging and reduced backpressure. Computer-designed internals and dyno-testing across 4-stroke platforms ensure consistent performance improvements without sacrificing...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
$299.99If you're chasing measurable power gains across the entire RPM range, the FMF Factory Fatty Pipe delivers what purpose-built exhaust should: real low-end torque, responsive mid-range pull, and extended top-end performance without compromise. Hand-crafted...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
$299.99If you're looking to unlock genuine power gains across your entire power band without compromise, the FMF Factory Fatty Pipe delivers the low-end response, mid-range punch, and top-end over-rev that serious riders demand. Built using the same handcrafted...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
$299.99If you're looking to unlock measurable power gains across your entire powerband without compromise, the FMF Factory Fatty Pipe delivers the performance characteristics once reserved for factory racing teams. Hand-crafted with the same attention to detail...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
$299.99The FMF Powercore 4 Exhaust is engineered to maximize exhaust scavenging on 4-stroke engines, translating directly into measurable horsepower and torque gains across the entire RPM band. By reducing backpressure through high-flow design and computer...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
$299.99The FMF Powercore 4 is engineered to extract maximum airflow from your 4-stroke engine, delivering measurable gains in power and torque through optimized exhaust scavenging. Every component—from the hi-flo end cap to the computer-designed rear can—has...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
$279.99The FMF Powercore 4 exhaust system is engineered to extract measurable performance gains from your 4-stroke engine by optimizing exhaust gas flow and reducing backpressure. Computer-designed and dyno-tested across multiple platforms, this system delivers...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 FMF Factory Fatty Pipe delivers a broader, smoother power curve across your entire RPM range—exactly what factory racing teams engineered decades ago. By reducing restriction and optimizing flow transitions, you'll gain measurable low-end torque,...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
$279.99If you're running a 4-stroke engine and leaving performance on the table, your exhaust system is likely the culprit. The FMF Powercore 4 delivers measurable gains in power and throttle response through optimized gas scavenging and reduced...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
$299.99The FMF Powercore 4 Exhaust is engineered for 4-stroke engines that demand measurable gains in airflow and horsepower. Its computer-designed architecture and dyno-tested construction deliver real performance improvements—not marketing promises—while 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
$299.99If you're running a KX85 or KX100, the FMF Factory Fatty Pipe delivers the kind of power band refinement that separates competitive riders from the rest. By smoothing out the entire power curve—not just chasing peak numbers—you'll gain usable low-end...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
