New: CarBahn Exhaust Valve Modules CarBahn Exhaust Valve Modules Click product listings below for fitment lists. CBMIS-4001 (Single Valve) CBMIS-4002 (Dual Valve) CBMIS-4001 – Carbahn Exhaust Valve Module CBMIS-4002 – CarBahn Exhaust Valve Module Contact CarBahn CarBahn Warranty Info FollowFollowFollowFollow
