AMS Street Downpipe for 2020+ Supra GR Engine Mount (2) OEM Mitsubishi Washers (MR464563)

(2) OEM Mitsubishi Washers (MR464563)

GT30 and GT35 housings

94mm and 100mm

the STM team hand fabricates each and every piece in house

AMS Street Downpipe for 2020+ Supra GR Engine Mount (2) OEM Mitsubishi Washers (MR464563)AMS Performance Toyota GR Supra street downpipe with EPA verified ultra high flow GESI catalytic converter. 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