Upgrade your vehicles performance with the Milltek Exhaust Manifolds with Hi-Flow Sports Cats for 991.1 3.8 (C2S / C4S). Milltek range of Hi-Flow Sports Cat Downpipes are manufactured using state of the art equipment and designed to imrpove gas flow and increase efficiency.
Requires Stage 2 ECU Software
Fits both OE and MIlltek Cat Back Systems View More
Upgrade your vehicles performance with the Milltek Exhaust Manifolds with Hi-Flow Sports Cats for 991.1 3.8 (C2S / C4S). Milltek range of Hi-Flow Sports Cat Downpipes are manufactured using state of the art equipment and designed to imrpove gas flow and increase efficiency.