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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Pro Circuit Ti-6 Pro Exhaust Yamaha YZ450F 2018-2019 0331845FP
PRO CIRCUIT
$1,487.95If you're running a 2018-2019 YZ450F in competitive motocross or supercross, your exhaust system directly impacts power delivery, weight distribution, and track performance. The Pro Circuit Ti-6 Pro delivers measurable gains in mid-range torque and...18201802- SKU:
- 18201802
- Availability:
- Ships Same Business Day
- Weight:
- 13.50 LBS
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
$1,487.95 -
Pro Circuit Works Pipe Honda CR250R 2005-2007 PH05250
PRO CIRCUIT
$349.95The Pro Circuit Works Pipe transforms your CR250R's power delivery with a precisely engineered exhaust system that unlocks measurable horsepower gains and sharper throttle response. Hand-welded construction and CNC-machined flanges eliminate leaks while...18200180- SKU:
- 18200180
- Availability:
- Ships Same Business Day
- Weight:
- 7.55 LBS
- COLOR/FINISH:
- RAW
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- MODEL:
- WORKS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$349.95 -
Pro Circuit T-4 Exhaust System Honda XR650R 2000-2007 4H04650
PRO CIRCUIT
$943.95The Pro Circuit T-4 exhaust system delivers measurable horsepower gains and improved throttle response for your Honda XR650R, while the USFS-approved spark arrestor design lets you transition seamlessly between racing and trail-legal configurations. By...18200185- SKU:
- 18200185
- Availability:
- Ships Same Business Day
- Weight:
- 10.25 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- MUFFLER COLOR/FINISH:
- BRUSHED
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP STYLE:
- CONICAL
- MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- DESIGN/CONFIGURATION:
- 2-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
$943.95 -
Pro Circuit Works Pipe Yamaha YZ125 2005-2021 PY05125
PRO CIRCUIT
$337.95A stock YZ125 exhaust limits your power potential and can't handle the demands of competitive riding or aggressive trail work. The Pro Circuit Works Pipe delivers measurable gains in mid-range torque and top-end power while maintaining the durability...18200136- SKU:
- 18200136
- Availability:
- Ships Same Business Day
- Weight:
- 4.90 LBS
- COLOR/FINISH:
- RAW
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- MODEL:
- WORKS
- RIDING STYLE:
- OFF-ROAD
$337.95 -
Pro Circuit Works Pipe Suzuki RM250 2004-2008 PS04250
PRO CIRCUIT
$349.95The Pro Circuit PS04250 Works Pipe is purpose-built for RM250 racers who demand measurable gains in mid-range power and throttle response. A hand-welded carbon steel design ensures the reliability needed to stay competitive through a full season, while...18200100- SKU:
- 18200100
- Availability:
- Ships Same Business Day
- Weight:
- 7.15 LBS
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- COLOR/FINISH:
- RAW
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- MODEL:
- WORKS
- RIDING STYLE:
- OFF-ROAD
$349.95 -
Pro Circuit Ti-6 Exhaust KTM 350 SX-F 2019-2022 0351935F
PRO CIRCUIT
$1,396.95The Pro Circuit Ti-6 is purpose-built for 350 SX-F riders who demand measurable gains in power and handling without compromise. By combining titanium construction with an optimized asymmetrical muffler design, you'll gain horsepower while shedding...18211936- SKU:
- 18211936
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
- MATERIAL:
- TITANIUM
- TYPE:
- SLIP-ON
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- ALUMINUM
- MODEL:
- TI-6
- MUFFLER MATERIAL:
- TITANIUM
- UNITS:
- EACH
$1,396.95 -
Pro Circuit T-4 Exhaust System Honda CRF50F 2004-2019 4H00050
PRO CIRCUIT
$370.95The Pro Circuit T-4 Exhaust System unlocks measurable horsepower gains on your Honda CRF50F while reducing weight for sharper handling in tight terrain. If you're serious about outpacing the competition or maximizing your weekend rides, this exhaust...18201961- SKU:
- 18201961
- Availability:
- Ships Same Business Day
- Weight:
- 6.80 LBS
- MUFFLER COLOR/FINISH:
- BRUSHED
- MUFFLER MATERIAL:
- ALUMINUM
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP STYLE:
- CONICAL
- MATERIAL:
- ALUMINUM
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- END CAP MATERIAL:
- STAINLESS STEEL
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- T4
- PRODUCT NAME:
- EXHAUST SYSTEM
$370.95 -
Pro Circuit T-6 Stainless Steel Exhaust System Kawasaki KLX230R 2020 0122023G
PRO CIRCUIT
$658.95The Pro Circuit T-6 exhaust system unlocks measurable horsepower gains and sharper throttle response while keeping your KLX230R street-legal and track-ready. A precision-engineered stainless steel design combined with a carbon fiber end-cap delivers the...18201964- SKU:
- 18201964
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
$658.95 -
Pro Circuit T-6 Stainless Steel Exhaust System for Kawasaki KLX300R 2020-2025 0122030G
PRO CIRCUIT
$658.95The Pro Circuit T-6 Stainless Steel Exhaust System delivers measurable gains in throttle response and engine efficiency for your KLX300R, while the lightweight construction directly improves handling on technical terrain. Built with TIG-welded stainless...18201965- SKU:
- 18201965
- Availability:
- Ships Same Business Day
- Weight:
- 9.10 LBS
- BASE COLOR:
- SILVER
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- END CAP MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- UNITS:
- EACH
$658.95 -
Pro Circuit T-6 Exhaust Kawasaki KLX110 2010-2020 0122011F
PRO CIRCUIT
$549.95The Pro Circuit T-6 Exhaust System delivers measurable gains in power and throttle response while maintaining a refined powerband for the 2010-2020 Kawasaki KLX110. Its stainless steel and aluminum construction resists corrosion in harsh off-road...18201951- SKU:
- 18201951
- Availability:
- Ships Same Business Day
- Weight:
- 7.60 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER COLOR/FINISH:
- BRUSHED
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
$549.95 -
Pro Circuit T-6 Exhaust Yamaha TT-R110E 2008-2025 0132011F
PRO CIRCUIT
$549.95The stock exhaust on your Yamaha TT-R110E is holding back power you've already paid for. The Pro Circuit T-6 unlocks measurable performance gains while cutting weight and noise—all with the durability you need for serious trail and track use. This is a...18201952- SKU:
- 18201952
- Availability:
- Ships Same Business Day
- Weight:
- 7.55 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER COLOR/FINISH:
- BRUSHED
- UNITS:
- EACH
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
$549.95 -
Pro Circuit Ti-6 Dual Exhaust System Honda CRF250R 2020 0312025F2
PRO CIRCUIT
$1,816.95The Pro Circuit Ti-6 Dual Exhaust System delivers measurable gains in power and throttle response while keeping your CRF250R competitive on the track and trail. By pairing titanium construction with a tuned resonance chamber, this system optimizes...18201941- SKU:
- 18201941
- Availability:
- Ships Same Business Day
- Weight:
- 17.00 LBS
- MODEL:
- TI-6
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- TITANIUM
- DESIGN/CONFIGURATION:
- 2-INTO-2 SYSTEM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
$1,816.95 -
Pro Circuit T-6 Exhaust Kawasaki KLX110 2002-2008 0120911F
PRO CIRCUIT
$549.95The Pro Circuit T-6 exhaust delivers measurable gains in power and throttle response on the KLX110 platform while maintaining compliance with sound regulations—essential for both trail and closed-course riding. Built with TIG-welded stainless steel and...18201972- SKU:
- 18201972
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- UNITS:
- EACH
- MODEL:
- T6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER COLOR/FINISH:
- BRUSHED
$549.95 -
Pro Circuit T-6 Exhaust System for Honda CRF230F 2003-2019 0112023F
PRO CIRCUIT
$549.95If you're running a Honda CRF230F and want measurable gains in throttle response and power delivery, the Pro Circuit T-6 Exhaust System is built to extract every bit of performance your engine has to offer. The optimized header and chambered muffler...18201973- SKU:
- 18201973
- Availability:
- Ships Same Business Day
- Weight:
- 7.40 LBS
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- MODEL:
- T-6
- PRODUCT NAME:
- EXHAUST SYSTEM
$549.95 -
Pro Circuit T-6 Exhaust System for Yamaha TT-R125 2000-2025 0132012F
PRO CIRCUIT
$549.95The Pro Circuit T-6 Exhaust System unlocks measurable power gains while maintaining trail-legal compliance—essential for riders who refuse to compromise between performance and reliability. Its RC-4 Resonance Chamber delivers the noise control you need...18201974- SKU:
- 18201974
- Availability:
- Ships Same Business Day
- Weight:
- 10.10 LBS
- MATERIAL:
- ALUMINUM
- MODEL:
- T-6
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- FULL SYSTEM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
$549.95 -
Pro Circuit T-6 Stainless Steel Exhaust System Kawasaki KX250 2021-2024 0122125G
PRO CIRCUIT
$1,089.95The Pro Circuit T-6 delivers measurable gains in throttle response and mid-range power while cutting rotational mass—critical advantages whether you're attacking motocross berms or pushing lap times at the track. Stainless steel construction resists...18201975- SKU:
- 18201975
- Availability:
- Ships Same Business Day
- Weight:
- 11.80 LBS
- UNITS:
- EACH
- MODEL:
- T6
- TYPE:
- FULL SYSTEM
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- OFF-ROAD
$1,089.95 -
Pro Circuit Ti-6 Pro Exhaust System for 2021 Kawasaki KX250F 0322125FP
PRO CIRCUIT
$1,396.95The Pro Circuit Ti-6 Pro is built for racers who demand measurable gains in power delivery and throttle response without compromising reliability under extreme conditions. Its titanium construction and optimized muffler geometry work together to maximize...18201977- SKU:
- 18201977
- Availability:
- Ships Same Business Day
- Weight:
- 10.50 LBS
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
$1,396.95 -
Pro Circuit YZ125 2005-2021 Works Pipe PY05125-RV
PRO CIRCUIT
$352.95A two-stroke's exhaust system is where peak performance is born—and the Pro Circuit RV Works Pipe is engineered to unlock every bit of power your YZ125 has to offer. Developed in partnership with motocross legend Ryan Villopoto, this pipe delivers a...18201983- SKU:
- 18201983
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- MODEL:
- WORKS
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
$352.95 -
Pro Circuit Ti-6 Exhaust System for 2024 Kawasaki KX450 0322445FP
PRO CIRCUIT
$1,250.95The Pro Circuit Ti-6 Exhaust System delivers measurable gains in peak power and mid-range torque while shedding unnecessary weight from your 2024 KX450—critical advantages whether you're chasing lap times or pushing harder on trail rides. The stainless...18300397- SKU:
- 18300397
- Availability:
- Ships Same Business Day
- Weight:
- 21.35 LBS
$1,250.95 -
Pro Circuit Ti-6 Pro Exhaust KTM 250 SX-F 2019-2022 0351925FP
PRO CIRCUIT
$1,269.95If you're serious about extracting every bit of performance from your 250 SX-F, your stock exhaust is holding you back. The Pro Circuit Ti-6 Pro delivers measurable gains in power and throttle response through optimized exhaust scavenging and a tuned...18201882- SKU:
- 18201882
- Availability:
- Ships Same Business Day
- Weight:
- 10.10 LBS
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
$1,269.95
