AMS Performance Street Downpipe w/ GESi Catalytic Converter - A90 Supra 840i Professional installation is highly recommended

Professional installation is highly recommended as it requires removal of your original steering wheel trim and airbag

Our dry carbon fiber interior trim kit boasts the highest quality construction and is made using a "pre-preg" impregnated carbon material that undergoes a vacuum-sealed autoclave curing process

For performance-focused users

tool-free clip-on installation

Stage 1 Map: 25-28hp / 20-23 ft-lb*

AMS Performance Street Downpipe w/ GESi Catalytic Converter - A90 Supra 840i Professional installation is highly recommendedExperience 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