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 Dual Exhaust System Honda CRF450R 2019-2020 0311945F2
PRO CIRCUIT
$2,024.95The Pro Circuit Ti-6 Dual Exhaust System delivers measurable horsepower gains and a significant weight reduction over stock, giving you a competitive edge whether you're racing or trail riding. Its titanium construction and RC-4 Resonance Chamber strike...18201899- SKU:
- 18201899
- Availability:
- Ships Same Business Day
- Weight:
- 16.50 LBS
- MATERIAL:
- TITANIUM
- MUFFLER MATERIAL:
- TITANIUM
- DESIGN/CONFIGURATION:
- DUAL CANISTER
- MODEL:
- TI-6
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
$2,024.95 -
Pro Circuit T-6 Exhaust Honda CRF110F 2013-2018 0111311G
PRO CIRCUIT
$349.95The Pro Circuit T-6 Exhaust for Honda CRF110F delivers measurable gains in throttle response and mid-range power while keeping noise levels compliant for both track and trail use. A properly tuned exhaust system is one of the highest-ROI upgrades you can...18201468- SKU:
- 18201468
- Availability:
- Ships Same Business Day
- Weight:
- 7.15 LBS
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- T-5
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP COLOR/FINISH:
- ALUMINUM
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
$349.95 -
MX2 Works Pipe KTM 85 SX 2018-2021 / Husq. TC 85 2019-2021
BILLS PIPES
$299.99If you're serious about extracting maximum performance from your KTM 85 SX or Husqvarna TC 85, the Bill's Pipes Works MX2 exhaust is engineered to deliver measurable power gains across the entire RPM range. Hand-welded and race-proven over three decades,...KT-88- SKU:
- KT-88
- Availability:
- Special Order
- Weight:
- 3.00 LBS
- type:
- Pipe
$299.99 -
FMF Factory Fatty Pipe 025222
FMF
$299.99The FMF Factory Fatty Pipe delivers the proven performance characteristics of factory racing exhausts, with a broader, smoother power curve that adds meaningful gains across the entire RPM range. If you're looking to unlock low-end torque, mid-range...18201793- SKU:
- 18201793
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- PRODUCT NAME:
- PIPE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- STEEL
$299.99 -
MX2 Works Pipe KTM 125 SX 2023
BILLS PIPES
$299.99If you're serious about maximizing your 125 SX's performance across the entire power band, a precision-engineered exhaust system is non-negotiable. Bill's Pipes Works pipe delivers measurable horsepower gains through three decades of 2-stroke tuning...- Availability:
- Special Order
- Weight:
- 3.00 LBS
$299.99 -
MX2 Works Pipe KTM 125/150 SX 2019-2022 Husqvarna TC 125
BILLS PIPES
$299.99If you're running a 2-stroke 125 or 150 in competitive motocross, your exhaust is the gateway to unlocking serious power across the entire RPM range. The Bill's Pipes MX2 Works Pipe delivers measurable performance gains through three decades of...- Availability:
- Special Order
- Weight:
- 3.00 LBS
$299.99 -
MX2 Works Pipe KX 85/100/112 2014-2022
BILLS PIPES
$299.99If you're running a KX 85/100/112, your exhaust is critical to unlocking peak power delivery across the entire RPM range. Bill's Pipes Works Pipe delivers race-proven performance that's been validated over three decades of championship-level competition,...K-82- SKU:
- K-82
- Availability:
- Special Order
- Weight:
- 3.00 LBS
$299.99 -
Pro Circuit T-6 Exhaust System for 2022-2025 Honda CRF250R 0112225G
PRO CIRCUIT
$1,169.95The Pro Circuit T-6 delivers measurable gains in exhaust flow and power delivery while meeting strict off-road sound regulations—critical whether you're chasing track times or tackling backcountry trails. Built from stainless steel and aluminum, it...18202004- SKU:
- 18202004
- Availability:
- Ships Same Business Day
- Weight:
- 12.45 LBS
$1,169.95 -
Pro Circuit Ti-6 Pro Exhaust System Honda CRF250R 2022-2023 0312225FP
PRO CIRCUIT
$1,555.95If you're running CRF250R at the national level, your exhaust system is doing double duty: extracting peak horsepower while staying compliant with AMA and FIM sound limits. The Pro Circuit Ti-6 Pro delivers on both fronts with titanium construction and a...18202007- SKU:
- 18202007
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
$1,555.95 -
AKRAPOVIC Exhaust System - Titanium S-H2MET13-FDHLTA
AKRAPOVIC
$1,932.65If you're serious about extracting maximum power from your motorcycle while keeping rotational mass to a minimum, the AKRAPOVIĆ Titanium Exhaust System S-H2MET13-FDHLTA is engineered to deliver measurable gains in both performance and handling. By...18202011- SKU:
- 18202011
- Availability:
- Ships Same Business Day
- Weight:
- 10.60 LBS
$1,932.65 -
FMF 4.1 RCT Exhaust System 041612
FMF
$1,049.99The FMF 4.1 RCT Exhaust System delivers measurable power gains while reducing unsprung weight through centralized mass positioning—a critical advantage in competitive riding and track applications. By incorporating Resonance Chamber Technology both...18202002- SKU:
- 18202002
- Availability:
- Ships Same Business Day
- Weight:
- 14.00 LBS
$1,049.99 -
FMF 4.1 RCT Exhaust System 041613
FMF
$1,374.99The FMF 4.1 RCT Exhaust System delivers measurable performance gains through advanced sound chamber design while reducing overall weight and improving chassis balance. Its compact profile minimizes vulnerability to impact damage during aggressive riding,...18202003- SKU:
- 18202003
- Availability:
- Ships Same Business Day
- Weight:
- 11.70 LBS
$1,374.99 -
FMF Exhaust Fatty Pipe 024076
FMF
$299.99The FMF Exhaust Fatty Pipe delivers measurable gains in low-to-mid-range power while sharpening throttle response for more predictable engine behavior. A larger pipe diameter reduces exhaust scavenging losses, allowing your engine to breathe more...18202012- SKU:
- 18202012
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
$299.99 -
FMF Exhaust Factory Fatty Pipe 024077
FMF
$299.99The FMF Factory Fatty Pipe delivers measurable flow improvements through precision hand-pounded seams that eliminate turbulence at critical transition points. Built from lightweight 20-gauge steel with a reinforced 19-gauge header, this exhaust pipe...18202013- SKU:
- 18202013
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
$299.99 -
FMF Exhaust Factory Fatty Rev Pipe 024078
FMF
$299.99If you're chasing mid-to-top-end power delivery without sacrificing reliability, the FMF Exhaust Factory Fatty Rev Pipe is engineered specifically for that mission. This dyno and track-tested system maximizes performance in the RPM range where it matters...18202014- SKU:
- 18202014
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
$299.99 -
FMF Gnarly* Exhaust Pipe 025280
FMF
$299.99The FMF Gnarly Exhaust Pipe delivers responsive power where it matters most—in the low and mid-range RPM band where you need tractability and control on technical terrain. Whether you're navigating tight track sections or tackling demanding off-road...18202015- SKU:
- 18202015
- Availability:
- Ships Same Business Day
- Weight:
- 5.70 LBS
$299.99 -
Pro Circuit T-6 Stainless Steel Exhaust System for 2024 Kawasaki KX450 0122445G
PRO CIRCUIT
$1,102.95The Pro Circuit T-6 Stainless Steel Exhaust System for your 2024 Kawasaki KX450 is engineered to maximize exhaust scavenging and deliver measurable gains in horsepower and mid-range torque where it matters most. A lightweight, corrosion-resistant...18202020- SKU:
- 18202020
- Availability:
- Ships Same Business Day
- Weight:
- 11.50 LBS
$1,102.95 -
Pro Circuit T-6 Exhaust System for 2021-2024 Kawasaki KX250F XC 0322125F
PRO CIRCUIT
$1,396.95The Pro Circuit T-6 exhaust system transforms your 2021-2024 Kawasaki KX250F XC by extracting measurable gains in horsepower and throttle response across the entire RPM band. A precision-engineered header and tuned muffler chamber work together to reduce...18202022- SKU:
- 18202022
- Availability:
- Ships Same Business Day
- Weight:
- 11.60 LBS
$1,396.95 -
Pro Circuit Ti-6 Pro Exhaust System KTM 450 SX-F 2022-2025 0352245FP
PRO CIRCUIT
$1,396.95The Pro Circuit Ti-6 Pro Exhaust System is engineered to unlock measurable gains in horsepower and torque across the full RPM range of your KTM 450 SX-F, delivering the responsiveness competitive riders demand. By reducing backpressure and optimizing...18202028- SKU:
- 18202028
- Availability:
- Ships Same Business Day
- Weight:
- 11.40 LBS
$1,396.95 -
Pro Circuit Ti-6 Exhaust System KTM 250 SX-F 2023-2025 0352225F
PRO CIRCUIT
$1,396.95If you're running a 250 SX-F in competitive closed-course or off-road racing, every gram and every decibel counts. The Pro Circuit Ti-6 Exhaust System delivers measurable power gains through optimized flow dynamics while keeping your bike compliant with...18202021- SKU:
- 18202021
- Availability:
- Ships Same Business Day
- Weight:
- 11.50 LBS
$1,396.95
