Audi A3 Cat back non resonated exhaust

This exhaust is also available as a resonated version (including centre silencer) which is a quieter option. Audi a3 (8p) 2.0 2wd (3/5 door) turbo back (decat / non-res) cobra exhaust au15d those who require more of a recognisable sporty tone can opt for the non-resonated turbo back system, which, with a de-cat, provides an all-round more involved and sportier upgrade together with the amazing power gains which we achieved.