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The HKS Silent Hi-Power exhaust for CT9A 4G63 applications provides a quieter high-flow catback option tuned to that turbocharged platform. Intended as a direct-fit replacement, it balances improved exhaust flow with restrained sound levels for street and track settings where a less aggressive tone is preferred. The design targets smoother flow while keeping noise moderated for daily use.
HKS Silent Hi-Power CT9A 4G63 7/8 MR
