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
-
Pro Circuit T-4 Exhaust System for Honda CRF80F 2001 4H01080
PRO CIRCUIT
$370.95If you're running a CRF80F at the track or trail, throttle response and mid-range power are non-negotiable. The Pro Circuit T-4 Exhaust System delivers measurable gains in both through advanced tuning and extensive dyno validation—meaning you'll feel the...4H01080- SKU:
- 4H01080
- Availability:
- Ships Same Business Day
- Weight:
- 3.08 LBS
$370.95 -
Pro Circuit T-4 Exhaust System Honda CRF150F 2003-2005 4H03150
PRO CIRCUIT
$418.95The Pro Circuit T-4 Exhaust delivers measurable gains in throttle response and power output—critical advantages whether you're chasing lap times or simply maximizing your CRF150F's potential. Its dyno-tested design combines lightweight construction with...4H03150- SKU:
- 4H03150
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
$418.95 -
Pro Circuit Ti-6 Exhaust System Yamaha YZ450F 2020-2022 0332145F
PRO CIRCUIT
$1,487.95The Pro Circuit Ti-6 Exhaust System delivers the performance gains and sound control that serious YZ450F riders demand. By optimizing exhaust flow through an asymmetrical muffler design and RC-4 Resonance Chamber, you'll gain measurable horsepower while...18201981- SKU:
- 18201981
- Availability:
- Ships Same Business Day
- Weight:
- 12.60 LBS
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- TI-6
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- END CAP MATERIAL:
- CARBON FIBER
- STYLE:
- ASYMMETRICAL
- UNITS:
- EACH
- MUFFLER MATERIAL:
- TITANIUM
$1,487.95 -
Pro Circuit Platinum Pipe KTM 125 SX 2016-2018 0851812
PRO CIRCUIT
$352.95The Pro Circuit Platinum Pipe delivers measurable gains in throttle response and mid-range acceleration for your KTM 125 SX, giving you the edge in competitive riding or trail sessions. Hand-welded construction and electroless nickel plating ensure this...18201833- SKU:
- 18201833
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
- MATERIAL:
- CARBON STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- PLATINUM
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$352.95Qty in Cart: 0Quantity:Price:$352.95Subtotal: -
Pro Circuit T-6 Exhaust KTM 450 SX-F 2019-2022 0151845G
PRO CIRCUIT
$1,089.95The Pro Circuit T-6 exhaust unlocks measurable horsepower and torque gains on your KTM 450 SX-F while maintaining streetable noise levels—critical if you're running a bike that needs to perform both on the track and in real-world conditions. Built from...18201834- SKU:
- 18201834
- Availability:
- Ships Same Business Day
- Weight:
- 11.70 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- UNITS:
- EACH
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,089.95Qty in Cart: 0Quantity:Price:$1,089.95Subtotal: -
Pro Circuit Ti-6 Exhaust KTM 450 SX-F 2019-2022 0351845F
PRO CIRCUIT
$1,396.95If you're serious about maximizing your KTM 450 SX-F's power and handling, weight savings matter—and the Pro Circuit Ti-6 exhaust delivers measurable gains through its titanium construction and tuned resonance chamber. This bolt-on system reduces...18201835- SKU:
- 18201835
- Availability:
- Ships Same Business Day
- Weight:
- 25.00 LBS
- MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- MODEL:
- TI-6
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- CARBON FIBER
$1,396.95 -
Pro Circuit Ti-6 Pro Exhaust KTM 450 SX-F 2019-2022 0351845FP
PRO CIRCUIT
$1,396.95If you're running a KTM 450 SX-F in competition, exhaust choice directly impacts your power band and throttle response. The Pro Circuit Ti-6 Pro delivers measurable horsepower gains while cutting rotational mass—critical advantages on the track. Built to...18201836- SKU:
- 18201836
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- MATERIAL:
- TITANIUM
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$1,396.95 -
Pro Circuit Yamaha YZ65 2018-2025 Works Pipe 0731865
PRO CIRCUIT
$322.95The Pro Circuit Works Pipe is engineered to unlock measurable power gains across your YZ65's entire RPM band—essential if you're serious about track performance. Hand-welded carbon steel construction delivers the durability needed for competitive riding,...18201837- SKU:
- 18201837
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- WORKS
- TYPE:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RAW
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
$322.95Qty in Cart: 0Quantity:Price:$322.95Subtotal: -
Pro Circuit Platinum Head Pipe Kawasaki KX65 2016-2022 0821665
PRO CIRCUIT
$337.95A properly tuned exhaust system is fundamental to two-stroke performance—it directly impacts power delivery, throttle response, and overall engine efficiency. The Pro Circuit Platinum Pipe unlocks additional horsepower across your KX65's entire RPM range...18201755- SKU:
- 18201755
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- PLATINUM
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- HEADER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- HEAD PIPE
$337.95 -
Pro Circuit Kawasaki KX65 2016-2022 Works Pipe 0721665
PRO CIRCUIT
$322.95The Pro Circuit Works Pipe is engineered to unlock measurable gains in torque and horsepower across your KX65's entire RPM band—essential if you're serious about staying competitive on the track or trail. Hand-welded carbon steel construction combined...18201756- SKU:
- 18201756
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- MODEL:
- WORKS
- COLOR/FINISH:
- RAW
- MATERIAL:
- CARBON STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$322.95 -
Pro Circuit Ti-6 Exhaust Yamaha YZ250F 2019-2025 0331925F
PRO CIRCUIT
$1,487.95If you're serious about YZ250F performance, weight savings directly translate to faster acceleration and easier bike handling—the Pro Circuit Ti-6 exhaust delivers both without compromise. Titanium construction keeps your power-to-weight ratio...18201852- SKU:
- 18201852
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- MODEL:
- TI-6
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- UNITS:
- EACH
- MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- CARBON FIBER
$1,487.95 -
Pro Circuit Ti-6 Pro Exhaust Yamaha YZ250F 2019-2025 0331925FP
PRO CIRCUIT
$1,487.95The Pro Circuit Ti-6 Pro is engineered for riders who refuse to leave performance on the table. Competitive racing demands an exhaust system that delivers measurable gains in power and throttle response while meeting strict sound regulations—this system...18201853- SKU:
- 18201853
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- PIPE MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- MATERIAL:
- TITANIUM
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- TYPE:
- FULL SYSTEM
$1,487.95 -
Pro Circuit T-6 Exhaust Yamaha YZ250F 2019-2025 0131925G
PRO CIRCUIT
$1,029.95The Pro Circuit T-6 Exhaust System unlocks measurable gains in horsepower and torque while delivering the durability required for competitive off-road and closed-course racing. A precision-engineered exhaust is non-negotiable if you're serious about...18201855- SKU:
- 18201855
- Availability:
- Ships Same Business Day
- Weight:
- 14.40 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- UNITS:
- EACH
$1,029.95Qty in Cart: 0Quantity:Price:$1,029.95Subtotal: -
Pro Circuit Works Pipe KTM 250 SX 2019-2022 0751925
PRO CIRCUIT
$349.95The Pro Circuit Works Pipe transforms your KTM 250 SX into a responsive, powerful machine by optimizing exhaust flow and expanding the powerband across the RPM range. Hand-welded construction and premium carbon steel deliver the durability needed to...18201856- SKU:
- 18201856
- Availability:
- Ships Same Business Day
- Weight:
- 6.05 LBS
- MATERIAL:
- CARBON STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- WORKS
- COLOR/FINISH:
- RAW
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$349.95 -
Pro Circuit Platinum Pipe KTM 250 SX 2019-2022 0851925
PRO CIRCUIT
$365.95The Pro Circuit Platinum Pipe delivers measurable gains in throttle response and power delivery for your KTM 250 SX, whether you're pushing lap times or navigating technical terrain. Hand-welded construction and high-grade materials combine to provide...18201857- SKU:
- 18201857
- Availability:
- Ships Same Business Day
- Weight:
- 5.95 LBS
- MODEL:
- PLATINUM
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- NICKEL-PLATED
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
$365.95 -
Pro Circuit Works Pipe KTM 125 SX 2019-2022 0751912
PRO CIRCUIT
$337.95The Pro Circuit Works Pipe delivers measurable power gains across the entire RPM band, giving you the horsepower and torque needed to stay competitive on track or trail. Built from high-quality AKDQ steel with hand-welded seams, this exhaust system...18201858- SKU:
- 18201858
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- WORKS
- TYPE:
- EXHAUST
- COLOR/FINISH:
- RAW
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
$337.95 -
Pro Circuit Platinum Pipe KTM 125 SX 2019-2022 0851912
PRO CIRCUIT
$352.95The Pro Circuit Platinum Pipe delivers measurable power gains and reliability that match the demands of competitive racing and serious trail riding. Factory exhaust systems leave horsepower on the table—this pipe's optimized scavenging design reclaims it...18201859- SKU:
- 18201859
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- MODEL:
- PLATINUM
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- NICKEL-PLATED
- MATERIAL:
- CARBON STEEL
$352.95 -
Pro Circuit Ti-6 Pro Exhaust KTM 350 SX-F 2020-2022 0351935FP
PRO CIRCUIT
$1,396.95If you're racing KTM's 350 SX-F at the professional level, your exhaust system directly impacts throttle response, weight distribution, and compliance with sanctioning body sound limits. The Pro Circuit Ti-6 Pro delivers race-proven power gains without...18201864- SKU:
- 18201864
- Availability:
- Ships Same Business Day
- Weight:
- 10.90 LBS
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- 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
$1,396.95 -
Pro Circuit Ti-6 Exhaust Kawasaki KX450 2019-2023 0321945F
PRO CIRCUIT
$1,396.95If you're serious about maximizing your KX450's power output and shedding unnecessary weight, the Pro Circuit Ti-6 exhaust delivers measurable gains in both horsepower and throttle response. Built with precision TIG-welded titanium and engineered for...18201846- SKU:
- 18201846
- Availability:
- Ships Same Business Day
- Weight:
- 12.70 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- TI-6
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
$1,396.95 -
Pro Circuit T-6 Dual Exhaust System Honda CRF250R 2018-2019 0111825G2
PRO CIRCUIT
$1,319.95The Pro Circuit T-6 Dual Exhaust System unlocks measurable power gains and improved throttle response on your CRF250R while delivering the durability needed for both track and trail abuse. Factory exhausts restrict flow and add unnecessary weight—this...18201820- SKU:
- 18201820
- Availability:
- Ships Same Business Day
- Weight:
- 19.00 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- T-6
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- DUAL CANISTER
- UNITS:
- EACH
$1,319.95
