Custom De-Cat/Sport-Cat 100CPSI/200CPSI Downpipe Kit for S6, S7, RS6 , RS7 (C7 Lift 4G) with 4.0 TFSI engine unit and the stock power of 420-560HP. Every part of this racing focused downpipe replacement is produced using CNC technology and is fully made out of Acid-Resistant Steel. It doesn’t include the Catalytic Converter (CAT) and thereby […]