Power comes in earlier and turbo spool-up is significantly improved. The long gradual transitions within the mandrel bent pipe section allows exhaust gasses to maintain velocity without a buildup of back pressure inside of the system. The CAT is new and specific. It has a newly formulated substrate with a specific wash for new vehicle emissions requirements. It is not an off the shelf cat.
AMS Performance MKV A90 2020+ Toyota Supra Street Downpipe with EPA-verified Ultra High Flow GESI Catalytic Converter.
2020 Toyota GR Supra ? w/ B58 3.0L Turbo Engine (USDM MODELS ONLY), 2021 Toyota GR Supra ? w/ B58H 3.0L Turbo Engine (USDM MODELS ONLY)