Produktinformationen "Milltek SSXAU254 Cat-back - Audi TT Mk2 TT RS Coupé 2.5-litre TFSI quattro (2009 - 2014)"
Racing Cat-back: Resonated (quieter). No ECU tuning required? uses OE Tips and includes Active Exhaust Valve (works with Sport button to release extra sound when required)