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The AMS Performance street downpipe for 2020+ Toyota Supra A90 integrates an EPA‑verified Ultra High Flow GESI catalytic converter to meet emissions while improving turbo spool and throttle response. Mandrel‑bent transitions maintain exhaust gas velocity to reduce backpressure, and the catalyst uses a specific substrate and wash formulated for new vehicle emissions requirements, offering a street‑legal high‑flow downpipe for A90 Supra applications.
AMS Performance 2020+ Toyota Supra A90 Street Downpipe w/GESI Catalytic Converter
