Audi RS4 B9 / RS5 F5 Alpha Competition Decat Downpipes

These stainless steel made Alpha Competition downpipes, in 4.5" / 114.3mm > 3 " / 76 mm diameter, fit without modification between the turbos and the front pipes of the 2.9 TFSI engines fitted to the Audi RS4 B9 / RS5 F5 in order to remove the catalysts. Manufactured from high quality T304 stainless steel with handmade TIG welds, these downpipes will bring an average gain of 34hp on a stage 1 engine and a particularly aggressive sound. Available for vehicles equipped with or without particulate filters (OPF/GPF), these downpipes feature a high-flow design and specific thermal insulation that reduces heat radiation by up to 50%, clearly making them one of the best value-for-money options on the market!