Audi RS3 Saloon / Sedan (8V MQB)
2017 and Later
Secondary Catalyst BypassFits both OE and Milltek Sport Cat Back Systems, Not required on Turbo Back System *** Not all vehicles come equipped with secondary cats, visual check recommended before ordering ***
* Pipe sizes may vary from part-to-part. Pipe diameters are indicative of the system as a whole and do not necessarily mean every part is of a uniform size.