Exhaust Valve Flapper Bypass or Delete Plugs (Each)
Shipping calculated at checkout.
Keep your exhaust valves open at all times for better soundThese plug and play adapters allow you to unplug your factory exhaust valve flapper for full-time sport mode sound in any driving mode without triggering fault codes or negatively affecting your tuning. Priced individually.
Audi RS3, FL, RS4, RS5, TT MK3, TTRS require two of the 4 position connector.
Audi S3, S6, S7, SQ5, VW Golf R, Mercedes Benz C Class W205 (C43, C63, etc) require two of the 3 position connector.