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 System KTM 450 SX-F 2022-2025 0352245FP
PRO CIRCUIT
$1,396.95PRO CIRCUIT TI-6 Pro Exhaust System 0352245FP Unlock the full potential of your motorcycle with the PRO CIRCUIT TI-6 Pro Exhaust System. Designed for serious competitors and enthusiasts alike, this exhaust system not only boosts performance but also...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
$1,396.95Experience unparalleled performance with the TI-6 Exhaust System, designed specifically for closed-course and off-road racing enthusiasts. Crafted from premium titanium, this exhaust system not only meets AMA amateur noise regulations but also enhances...18202021- SKU:
- 18202021
- Availability:
- Ships Same Business Day
- Weight:
- 11.50 LBS
$1,396.95 -
Pro Circuit Ti-6 Pro Exhaust System KTM 250 SX-F 2022-2024 0352225FP
PRO CIRCUIT
$1,396.95PRO CIRCUIT TI-6 Pro Exhaust System 0352225FP Transform your motorcycle's performance with the PRO CIRCUIT TI-6 Pro Exhaust System. Designed for riders who demand excellence, this exhaust system delivers superior power and torque while enhancing the...18202026- SKU:
- 18202026
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$1,396.95 -
On Sale
FMF Gold Series Fatty* Pipe 025297
FMF
MSRP: $299.99Now: $255.00Was: $299.99Gold Series Fatty* Pipe More tractable power, improved throttle control, Carbon steel with a nickel plated finish for maximum durability, FMF Racing*s Tru-Flo stamping process ensures a perfect fit and optimum performance, O-Rings included18202036- SKU:
- 18202036
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $299.99Now: $255.00Was: $299.99 -
Pro Circuit Ti-6 Exhaust System for Honda CRF450R 2019-2026 0322445F
PRO CIRCUIT
$1,536.95Enhance your bike's performance with the PRO CIRCUIT TI-6 Exhaust System, crafted from high-quality titanium for maximum durability and weight savings. This advanced exhaust system is engineered to provide superior power delivery and a thrilling sound,...18202043- SKU:
- 18202043
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
$1,536.95 -
Pro Circuit T-6 Exhaust System Stainless Steel 2024 Kawasaki KX 450 0122445G
PRO CIRCUIT
$1,198.95Enhance your ride with the PRO CIRCUIT T-6 Exhaust System, crafted from premium stainless steel for durability and performance. Designed for optimal power and efficiency, this exhaust system delivers an aggressive sound while reducing weight for improved...18202042- SKU:
- 18202042
- Availability:
- Ships Same Business Day
- Weight:
- 13.65 LBS
$1,198.95 -
Pro Circuit Ti-6 Pro Titanium Exhaust System for 2024 Kawasaki KX450 0322445FP
PRO CIRCUIT
$1,536.95Elevate your riding experience with the PRO CIRCUIT TI-6 Pro Exhaust System, expertly crafted from lightweight titanium for maximum performance and durability. Designed to enhance horsepower and torque, this exhaust system delivers an aggressive sound...18202044- SKU:
- 18202044
- Availability:
- Ships Same Business Day
- Weight:
- 11.60 LBS
$1,536.95 -
On Sale
FMF Factory 4.1 RCT Exhaust System - Titanium - Carbon End Cap 042406
FMF
MSRP: $1,374.99Now: $1,169.00Was: $1,374.99Factory 4.1 RCT Exhaust System - Titanium - Carbon End Cap Spark arrestor screen insert included, 94dB insert included, For closed course competition only18202046- SKU:
- 18202046
- Availability:
- Ships Same Business Day
- Weight:
- 11.70 LBS
MSRP: $1,374.99Now: $1,169.00Was: $1,374.99 -
On Sale
FMF Factory 4.1 RCT Exhaust System - Aluminum - Stainless Steel Header - Carbon Fiber End Cap 044477
FMF
MSRP: $1,074.99Now: $914.00Was: $1,074.99Factory 4.1 RCT Exhaust System - Aluminum - Stainless Steel Header - Carbon Fiber End Cap Incorporates FMF Resonance Chamber Technology* both internally and externally, Shorter overall length that is less susceptible to crash damage and complementary to...18202047- SKU:
- 18202047
- Availability:
- Ships Same Business Day
- Weight:
- 9.50 LBS
MSRP: $1,074.99Now: $914.00Was: $1,074.99 -
On Sale
FMF Factory 4.1 RCT Exhaust System - Titanium - Carbon Fiber End Cap 044478
FMF
MSRP: $1,374.99Now: $1,169.00Was: $1,374.99Factory 4.1 RCT Exhaust System - Titanium - Carbon Fiber End Cap Incorporates FMF Resonance Chamber Technology* both internally and externally, Shorter overall length that is less susceptible to crash damage and complementary to Factory Forward...18202048- SKU:
- 18202048
- Availability:
- Ships Same Business Day
- Weight:
- 10.45 LBS
MSRP: $1,374.99Now: $1,169.00Was: $1,374.99 -
Pro Circuit Works Pipe Exhaust System KTM 65 SX 2024-2025 0752465
PRO CIRCUIT
$322.95Enhance your vehicle's performance with our premium Works Pipe Exhaust System, designed for durability and efficiency. Crafted from high-quality AKDQ carbon steel, this exhaust system not only delivers superior sound but also ensures longevity with its...18220552- SKU:
- 18220552
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
$322.95 -
Pro Circuit Platinum Pipe Exhaust System KTM 65 SX 2024-2025 0852465
PRO CIRCUIT
$337.95Upgrade your vehicle's performance with our Platinum Pipe Exhaust System, expertly crafted from high-quality AKDQ carbon steel. Each system is hand-welded with precision, ensuring durability and a perfect fit. Proudly made in the U.S.A., this exhaust...18220553- SKU:
- 18220553
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
$337.95 -
AKRAPOVIC Racing Line Exhaust System - Stainless Steel/Titanium - KX 250 S-K2MR9-BNTA
AKRAPOVIC
$1,188.00Racing Line Exhaust System - Stainless Steel/Titanium - KX 250 High-quality exhaust system made from stainless steel tubes and a titanium muffler outer sleeve with precision handcrafted and attention to detail, Its unique design yields the maximum output...18202071- SKU:
- 18202071
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
$1,188.00 -
AKRAPOVIC Evolution Line Exhaust System - Titanium/Titanium - KX 250 S-K2MET9-BNTA
AKRAPOVIC
$1,714.95Evolution Line Exhaust System - Titanium/Titanium - KX 250 The flagship of the Akrapovic exhaust system range, used and tested by our top factory teams in motorcycle racing, Unique and dedicated to maximizing the engine*s performance, while reducing...18202072- SKU:
- 18202072
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
$1,714.95 -
FMF Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Stainless Steel - KX 250 042413
FMF
$1,049.99Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Stainless Steel - KX 250 Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology* both internally and externally, Achieves a shorter overall length that is less susceptible to...18202083- SKU:
- 18202083
- Availability:
- Ships Same Business Day
- Weight:
- 13.10 LBS
$1,049.99 -
FMF Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250 042414
FMF
$1,374.99Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250 Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology* both internally and externally, Achieves a shorter overall length that is less susceptible to crash...18202084- SKU:
- 18202084
- Availability:
- Ships Same Business Day
- Weight:
- 11.80 LBS
$1,374.99 -
AKRAPOVIC Evolution Line Exhaust System - Titanium - CRF450R/CRF450RX S-H4E1-FDHLT
AKRAPOVIC
$1,973.35Evolution Line Exhaust System - Titanium - CRF450R/CRF450RX Tailor-made to fit the limited space available within the motorcycle, this system combines performance and durability for extreme conditions and the rigors of off-road racing, Constructed from...18202089- SKU:
- 18202089
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
$1,973.35Qty in Cart: 0Quantity:Price:$1,973.35Subtotal: -
Pro Circuit T-4 Exhaust Kawasaki KLX125 2003-2016 4S03125
PRO CIRCUIT
$349.95Experience unparalleled performance with the PRO CIRCUIT T-4 Exhaust, designed for riders who demand quick throttle response and maximum power. This exhaust system has undergone rigorous track and dyno testing, ensuring it meets the highest standards for...4S03125- SKU:
- 4S03125
- Availability:
- Ships Same Business Day
- Weight:
- 3.88 LBS
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- T4
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- END CAP STYLE:
- CONICAL
- MATERIAL:
- ALUMINUM
- MUFFLER COLOR/FINISH:
- BRUSHED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$349.95 -
Pro Circuit T-4 Exhaust Honda CRF70F 2004-2012 4H00070
PRO CIRCUIT
$370.95Experience unmatched performance with the PRO CIRCUIT T-4 Exhaust system, engineered for superior throttle response and optimized for both track and dyno testing. This exhaust is designed for enthusiasts who demand excellence in every ride, featuring...4H00070- SKU:
- 4H00070
- Availability:
- Ships Same Business Day
- Weight:
- 3.69 LBS
$370.95 -
Pro Circuit T-4 Exhaust System for Honda XR100R 1985-2000 4H85080
PRO CIRCUIT
$370.95Experience unparalleled performance with the PRO CIRCUIT T-4 Exhaust system, engineered for superior throttle response and optimized for both track and dyno testing. This exhaust combines advanced materials and design, ensuring durability and efficiency...4H00080- SKU:
- 4H00080
- Availability:
- Ships Same Business Day
- Weight:
- 3.28 LBS
$370.95
