AMS Performance Street Downpipe w/ GESi Catalytic Converter - A90 Supra

Experience the pinnacle of exhaust performance with the AMS Performance Toyota GR Supra Street Downpipe featuring a high-flow GESi catalytic converter. Our 4.5" full mandrel bent downpipe is unmatched in both performance and durability. It ushers in power earlier and significantly improves turbo spool-up. The secret lies in the long, gradual transitions within the mandrel bent pipe, ensuring exhaust gasses maintain velocity without creating back pressure. What sets us apart is our superior engineering. We've designed a product that maximizes power potential while adhering to stringent emissions requirements. The catalyst boasts a specially formulated substrate tailored for modern vehicle emissions standards, ensuring it's not just an off-the-shelf solution. Benefits: Substantially reduced back pressure means more power potential. Effortless exhaust gas flow across the turbine wheel. 49 State Legal High Flow GESI Catalytic Converter, rated for over 800 horsepower. Newly formulated subs