AeroFlow Dynamics BMW G80/G82 M3/M4 S58 Exhaust Valve Controller

Enhance the sound of your BMW M3 Competition G80 with our advanced Valve Controller. Designed in USA .This device allows you to take full control over your vehicle's exhaust sound.

Once installed, you can manually open and close the AFD exhaust flap on your BMW M3/M4  any time. The controller operates with a simple remote or can be integrated with your car’s mirror buttons for seamless use.

Installation is straightforward and can be done by anyone with basic skills. The device plugs directly into the our exhaust module—simply remove oem valve and replace with AFD valve module, connect it to the provided socket, then reconnect it to the exhaust flap socket. Installation involves accessing the trunk and under-body, utilizing an existing cable duct or sealing plug to route the device. 

Our Valve Controller Module is designed for safe operation, preventing permanent closure of the exhaust flap to avoid potential engine damage during high-throttle driving.