Audi TTRS 8S / RS3 8V.5 Alpha Competition Decat Downpipe

This stainless steel made Alpha Competition downpipes, in 3.5" / 90mm > 2x 2.75 " / 70 mm diameter, fits without modification between the turbo and the secondary catalysts of the 2.5 TFSI engines fitted to the Audi TTRS 8S and RS3 8V Facelift in order to remove the main catalyst. Manufactured from high quality T304 stainless steel with handmade TIG welds, this downpipe will bring an average gain of 32hp on a stage 1 engine and a particularly aggressive sound. With a high flow structure and optional thermal insulation to reduce heat radiation by 50%, this downpipe clearly represent the best value for money on the market !