Engine › S1R BLACK SERIES SLIP-ON ALUM KAW Image 1 of 1 S1R BLACK SERIES SLIP-ON ALUM KAW $522.48 Aerospace grade high-temp carbon fiberMagnesium teflon light-weight end capStamped, durable spring-fit inletAluminum CNC machined outletRubber-lined aggressive style mountSpiral-wound perforated coreAccepts sound reduction tips Quantity: Purchase Added! Aerospace grade high-temp carbon fiberMagnesium teflon light-weight end capStamped, durable spring-fit inletAluminum CNC machined outletRubber-lined aggressive style mountSpiral-wound perforated coreAccepts sound reduction tips