The T-4 System is a tunable version of our more exotic Ti-4R System. Our all new RC-4 Resonance Chamber has been added to the head pipe to reduce noise. (Note: The RC-4 Resonance Chamber, depending on year of your bike, might not come with the system). Please contact Pro Circuit for information on replacement parts.
- A removable USFS-approved spark arrestor & race tip are included with every exhaust for closed course racing
- RC-4 Resonance Chamber to reduce noise
- Billet aluminum mounting bracket
- Meets AMA/FIM sound requirements.