AMS Performance Street Downpipe w/GESI Catalytic Converter - Toyota A90 Supra 3.0T (2020+)

With 20 years of documented research and development in the forced induction field, AMS Performance has proven itself as the powerhouse in the automotive aftermarket. Our award winning performance systems are what all others are measured by. Be the Alpha. The 4.5″ full mandrel bent downpipe is the best performing and most durable on the market. Power comes in earlier and turbo spool-up is significantly improved. The long gradual transitions within the mandrel bent pipe allows exhaust gasses to maintain velocity without a buildup of back pressure inside of the system. We were able to design a superior product because of our superior engineering. The catalyst has a newly formulated substrate with a specific wash for new vehicle emissions requirements. It is not an off the shelf cat. Significantly Lower Back Pressure Means the Potential for More Power Exhaust Gas Can More Easily Flow Across the Turbine Wheel 49 State Legal High Flow GESI Catalytic Converter Rated to Over 800 Horsepower N