Milltek Audi RS3 (8Y) Sportsback Large-bore Downpipe and Hi-Flow Sports-Cat (OPF / GPF Models 2021-2023)

All Milltek performance exhaust systems are manufactured from T304L stainless-steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless-steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.

Additional Info: Fits both OE and Milltek Sport Cat Back Systems - Requires Stage 2 ECU Software