PRO CIRCUIT 4H03150 T-4 Exhaust System for Off-Road & Motocross Bikes 2010-2023

Upgrade your motocross or off-road vehicle with the PRO CIRCUIT T-4 Exhaust System, designed to deliver superior performance and reliable durability. Whether you're racing on the track or tackling tough terrain, this exhaust enhances throttle response, giving riders a noticeable boost in power and acceleration. Moto-House MX recommends this system for riders seeking a racing performance upgrade with easy maintenance and high-quality materials. The T-4's advanced design reduces lag and ensures quick throttle response, making it an essential component for competitive riders and enthusiasts alike.

Constructed with durable materials and engineered for optimal airflow, the PRO CIRCUIT T-4 Exhaust features an exclusive E-glass pillow packing that improves exhaust flow and longevity. Steel Allen head screws allow for quick and easy repacking, saving you time in maintenance. The system includes a USFS-approved spark arrestor, which can be removed for closed-course racing, providing versatility for different riding scenarios. Weighing just under 1 pound, this exhaust system is lightweight yet rugged, designed to withstand the rigors of demanding off-road and motocross riding.

Top Features: PRO CIRCUIT T-4 Exhaust System

• Advanced Throttle Response: Ensures quick, precise acceleration for competitive performance.


• High-Quality Construction: Features durable steel screws and exclusive E-glass pillow packing for longevity.


• Lightweight Design: Weighs approximately 0.89 lbs, reducing overall bike weight for improved handling.


• Removable USFS-Approved Spark Arrestor: Meets regulations and can be easily removed for race scenarios.


• Extensively Track- and Dyno-Tested: Proven to enhance power and reliability under various conditions.

Pro-Tip: Regularly check and re-pack the muffler with the steel Allen head screws for optimal performance and longevity. Ensure the spark arrestor is properly installed when racing on closed courses.

Fitment List

Year Range
Brand
Model & Size

2010-2023
PRO CIRCUIT
Universal / Off-Road & Motocross Bikes

Frequently Asked Questions

Q: Is this exhaust system compatible with my 2015 Yamaha YZ250F?

A: Yes, the PRO CIRCUIT T-4 Exhaust is compatible with Yamaha YZ250F models from 2010 to 2023.

Q: Can I remove the spark arrestor for racing?

A: Yes, the included USFS-approved spark arrestor can be easily removed for closed-course racing.

Q: Does this exhaust improve horsepower?

A: Yes, the T-4 is designed to enhance throttle response and overall power output, backed by extensive track testing.

Pairings

• High-Performance Air Filters


• Motocross & Off-Road Riding Gear

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Features:

• Advanced throttle response: Ensures quick, precise acceleration for competitive performance.

• High-quality construction: Features durable steel screws and exclusive E-glass pillow packing for longevity.

• Lightweight design: Weighs approximately 0.89 lbs, reducing overall bike weight for improved handling.

• Removable USFS-approved spark arrestor: Meets regulations and can be easily removed for race scenarios.

• Extensively track- and dyno-tested: Proven to enhance power and reliability under various conditions.