Pro Circuit T-4 Exhaust System 1820-0185 - Honda XR650R 2000-2007

Product Description

The Pro Circuit T-4 Exhaust System is engineered to deliver exceptional performance and quick throttle response for your Honda XR650R. Extensively track- and dyno-tested, this 2-into-1 full system is built to optimize power delivery across the entire RPM range.

Constructed with a durable brushed aluminum muffler, stainless steel components, and a conical stainless steel end cap, the T-4 system features exclusive E-glass pillow packing for long-lasting sound absorption. It also includes steel Allen head screws for easy repacking and a USFS-approved spark arrestor that can be removed for closed-course racing.

Top Features: Pro Circuit T-4 Exhaust System

• Advanced 2-into-1 design ensures lightning-quick throttle response
• Extensively track- and dyno-tested for verified performance gains
• Equipped with steel Allen head screws to make routine muffler repacking a straightforward task
• Utilizes exclusive E-glass pillow packing for optimal sound dampening
• Includes a USFS-approved spark arrestor that is fully removable for closed-course racing

Please review the detailed compatibility data below to ensure an exact fitment match for your dirt bike before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: Is the spark arrestor removable on this exhaust system?
A: Yes, it includes a USFS-approved spark arrestor that can be removed when riding in closed-course racing environments.

Q: How does the T-4 system attach to the engine?
A: This is a complete 2-into-1 full exhaust system designed to replace both the header and muffler assembly.

Expert Pro-Tip: When installing a new full exhaust system, always use new gaskets at the cylinder head, apply a high-temperature silicone sealant to slip-joints to prevent leaks, and leave all header flange nuts and mounting bolts loose until the entire system is properly aligned.

Recommended Pairings:

• Honda 4-Stroke Performance Parts & Upgrades
• Honda All Performance Parts
• Engine Rebuild Kits & Components

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