Audi RS4 B7 - Hi-Flow Sports Cats

The part is used to bypass the catalyst from the exhaust to create a ‘Decat’ system. Eliminating the catalyst will greatly enhance the gas-flow and the performance, adding significant Hp to your vehicle by removing the density of the catalyst in which exhaust gases are pushed through. - This product is intended for motorsport use only and requires Stage 2 ECU remap.

All our performance exhaust systems are designed with you in mind, and we cater to an ever-expanding range of vehicles. We believe in continuous evolution, and our research & development team work throughout the year to deliver the most in demand solutions to all your performance exhaust requirements. All of our products are made in the UK and distributed to more than 90 countries worldwide, making Milltek Sport one of the most accessible performance aftermarket brands on the market.

This product is intended for motorsport use only, Use is limited to racing, private property, show purposes or export only. It is not permitted on public roads and has no approval under the German Road Traffic Licensing Regulations (StVZO). Depending on vehicle and country, approval or inspection may be required. The purchaser is solely responsible for complying with the the applicable laws and regulations in their country.