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 S3's 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 converter to improve not only power but sound from the engine ---Sold for off-road/track use only Fitment: Audi S3 8V Quattro 2.0 TFSI 2012-2020 models Please Note: This decat has a 3.5" bore straight through until the cat back part of the system. Suitable for both GPF and Non-GPF models.
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