Transform the exhaust system of your BMW, Supra, or MINI with the MAD Plug & Play Exhaust Valve Controller. Designed to override factory settings, this controller empowers you with full customization of your exhaust flap, allowing you to tailor the sound and performance to perfectly match your driving style.

Unlike factory systems, which prioritize noise regulation and default settings, the MAD Valve Controller offers complete control, letting you seamlessly switch between factory modes, custom settings, or fully open exhaust.

V2 Software Update Ultimate Customization

With the new V2 controller software, G Body M Cars now support user-selectable valve positions for unparalleled flexibility:

• 0% (Fully Closed)
• 25%
• 50%
• 75%
• 100% (Fully Open)

Save your preferred settings with a simple button press, creating a bespoke exhaust sound and performance.

For Non-M G Body Vehicles: The middle button offers a fixed 50% mode.
For F Body Vehicles (pre-2019): Only the 100% and stock functions are available due to BMW programming.

Plug-and-Play Installation

Installing the MAD Valve Controller is quick and hassle-free:

• No Wire Tapping: Utilizes OEM connectors and power directly from the factory harness.
• Simple Setup: Unplug the current connector, insert the controller, and go.

Performance-Built Design

Engineered for durability and convenience, the MAD Valve Controller is IP68 waterproof and equipped with a military-grade wire harness featuring a fireproof sheath. It retains your custom settings even after the vehicle restarts, ensuring consistent performance.

Key Features:

• Customizable Valve Positions: Adjust between 0%, 25%, 50%, and 75% for G Body M Cars.
• Waterproof and Durable: IP68-rated for safe mounting in the trunk or under the vehicle.
• Memory Functionality: Retains settings after vehicle restarts.
• Plug-and-Play Installation: OEM connectors for seamless integration.
• Two Premium Remotes: Effortlessly control your exhaust flap.
• HomeLink Integration: Use your vehicle’s HomeLink buttons for added convenience.
• Dummy Plug: Included for single exhaust valve setups.

Enhanced Sound Customization:

Fine-tune your exhaust sound to reduce rasp or drone, achieving the perfect balance of tone and performance.

Upgrade your exhaust system today with the MAD Plug & Play Exhaust Valve Controller and experience the freedom of complete customization for your BMW, Supra, or MINI. Whether youre cruising the streets or hitting the track, this controller ensures your vehicle sounds and performs the way you want.

Free express shipping to all 48 contiguous U.S. states.