Milltek Cat-Back Exhaust - Audi S3 (8V) - 3 Door System Options:Valved - Non-Resonated - Black GT100 Tips (SSXAU392) Porsche 911 Turbo (997) –

Porsche 911 Turbo (997) – Requires two valves

Increased Bhp reliability

The 'stick-ons' rely on double-sided foam tape laid on top of the factory plastic paddles and this will never give the positivity or long term rigidity that car and driver deserve

less exhaust backpressure

Milltek Cat-Back Exhaust - Audi S3 (8V) - 3 Door System Options:Valved - Non-Resonated - Black GT100 Tips (SSXAU392) Porsche 911 Turbo (997) –Milltek Cat Back Exhaust Audi S3 (8V) 3 Door Pipework Diameter 3. 00" (76. 20mm) Kit Includes: Centre Section (Resonated = With Silencer Non Resonated = Without Silencer) Rear Silencer Assembly (Valved = With Active Exhaust Valves Non Valved = Without Exhaust Valves) Tailpipe Assembly Notes: Valved version requires the original electronic valve motors from your standard exhaust Vehicle Fitment Exhausts Cat back systems Shop By Car Audi S3 (8V) Exhausts