Designed in-house by Direnza engineers, our decat downpipes are a direct replacement for the stock catalytic converters. Engineered to not only improve power and torque but also throttle response on the RS3 2.5 litre turbo engine. ---Manufactured from T304 grade stainless steel and fully TIG welded ---Feature CNC machined flanges with mandrel bent pipework for that perfect fit every time ---Designed to be a direct replacement for the OEM downpipes ---Replaces the original catalytic converters to improve not only power but sound from the engine ---Sold for off-road/track use only Compatible with: Audi RS3 8Y Quattro 2.5 TFSI 2020-Present Please Note: May require GPF bypass software on vehicle ECU.
