High-flow mid-pipes replacing the factory secondary catalytic converters on Audi RS3 8V.5 and TTRS 8S. Primary catalytic converter retained to limit the majority of emissions. Not compatible with vehicles equipped with a gasoline particulate filter (GPF).
Billet catch can replacing the tiny stock plastic DSG transmission vent, preventing transmission fluid from spraying into the engine bay. Collected fluid is returned to the transmission.
