Mr12Volt Audi A4, A5, A6, A7, A8, Q5, Q7 - MMI 2G High CarPlay & AA Interface 5 Series (F10 / F11) it removes the factory resonator

it removes the factory resonator designed to mute your exhaust

and this will turn on the CEL (check engine light) on the dash

Product Information

Rubber bushings found in the latest M Cars' rear suspension arms are the last weak link in an otherwise rigid suspension

Sharper throttle response and drivability - choose your throttle response

Mr12Volt Audi A4, A5, A6, A7, A8, Q5, Q7 - MMI 2G High CarPlay & AA Interface 5 Series (F10 / F11) it removes the factory resonator2026 NEW & UPDATED MR12volt Audi Bluetooth Audio & Handsfree Interface for MMI 2G MMI 3G With Advanced Bluetooth Codec Support: SBC AAC APTX APTX HD Introduction Modern Bluetooth Connectivity for Your Factory Audi MMI System. The MR12volt P800AU is a Bluetooth audio streaming and handsfree calling interface designed specifically for Audi vehicles equipped with MMI 2G Basic, MMI 2G High and MMI 3G 3G+ systems. Engineered for direct integration with the