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 (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.
Backordered Item is currently backordered with the supplier and will ship out as soon as it's available.
Please contact us for more accurate release date information.
