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The Milltek Cat Back {Racing Cat-back: Non-resonated (louder). No ECU tuning required, uses OE Tips and includes Active Exhaust Valve (works with Sport button to release extra sound when required)} for the Audi TT Mk2 TT RS Coupé 2.5-litre TFSI quattro (2009 to 2014) is designed to elevate your driving experience with its unique features. Replacing everything from the catalytic converter back, this system offers a complete performance boost, improving throttle response and flow. The nan ensures a deeper, more aggressive exhaust tone.
Be the first to review Milltek Cat Back Racing Cat-back: Non-resonated (louder). No ECU tuning required, uses OE Tips and includes Active Exhaust Valve (works Sport button to release extra sound when required) for Audi TT Mk2 TT RS Coupé 2.5-litre TFSI quattro (2009 to 2014), - SSXAU253 SSXAU253-1