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Open Exhaust Valves Remain Open
Only for Cars that came equipped with OEM Valve Control
2 GT3RS-fitment only (excluding GT3RS Touring)
Polyurethane PU/PUR
Audi S4/5 (B8) V6 - PreSilencer Spare Pipes 428 Open Exhaust Valves Remain Open**Only fits in conjunction with Capristo Exhaust System** These lightweight pipes fit in place of the heavy OEM Silencer. Using test pipes removes the flow restriction placed on an exhaust system. The silencing effect is removed, enhancing the aggressive engine sound. Made from T309 (1. 4828) stainless steel. IMPORTANT: Recommended For Off Road and Track Use Only This System fits ONLY the V6 Models of the B8 chassis Designed to be installed directly
