BMW G80 M3 / G82 M4 Exhaust Valve Controller | AFD

The AeroFlow Dynamics exhaust valve controller for the 2021-2026 BMW G80 M3 and G82 M4 lets you open and close the exhaust flap whenever you want.

Why you need it

Take full control of your exhaust sound from a simple remote or your mirror buttons, instead of leaving it to the drive mode.

Fits

• 2021-2026 BMW G80 M3
• 2021-2026 BMW G82 M4

Features

• Open full or close on demand
• Memory function keeps your setting (100% open or stock) after shutdown
• Remote control or mirror-button integration
• No error messages or data bus interference
• Designed to prevent permanent flap closure during high-throttle driving
• Designed in the USA

Good to know

The supplier lists this item as currently not in production; confirm availability before ordering. Install replaces the OEM valve module with the AFD module and routes the cable through the trunk and underbody.