For Audi Polished Stainless Exhaust De Cat Down Pipe S3 TT 1.8T quattro Cupra R
1999-06 SEAT León Cupra R 1.8 20vT (1M), 4WD models. Modification required to fit on Audi S3 quattro and Cupra R models. NOTE Sport cats and decat pipes may cause EML light to illuminate. A remap or lambda cheater may be required to stop EML light coming on when fitting sport cats/decats.