Modern performance cars are equipped with active exhaust systems for a reason.

Manufacturers use electronically controlled exhaust valves to balance comfort, emissions, and performance, automatically opening and closing them depending on speed, RPM, throttle input, and drive mode.

While effective, that factory programming doesn't always match the driver's preferences.

SST Spezialsteuergeräte develops plug-and-play exhaust valve control systems that allow enthusiasts to decide when those valves stay open, stay closed, or continue operating automatically through the factory strategy. The result is greater control over the vehicle's exhaust character without permanently modifying the factory system.

Built Around Factory Integration

Rather than replacing the entire exhaust system, SST products work with the factory active exhaust hardware already installed on the vehicle.

The controllers integrate into the existing electronics, allowing owners to switch between operating modes while preserving OEM functionality. Installation is designed to be vehicle-specific, minimizing the need for permanent modifications or extensive wiring changes.

Product Categories

SST specializes in electronic exhaust valve control solutions, including:

• Exhaust valve controllers
• Deluxe exhaust valve controllers
• Vehicle-specific control modules
• Plug-and-play wiring solutions
• Remote control systems (application dependent)

Each controller is engineered specifically for the supported vehicle and active exhaust configuration.

Vehicle Applications

SST develops exhaust valve control systems for a wide variety of performance and luxury vehicles equipped with factory active exhaust systems.

Applications include numerous models from:

• BMW
• MINI
• Audi
• Volkswagen
• Porsche
• Mercedes-Benz
• Lamborghini
• McLaren
• Maserati
• Chevrolet
• Ford
• Hyundai

Coverage ranges from modern BMW M models and MINI John Cooper Works vehicles to Audi S and RS models, Volkswagen Golf R and GTI applications, Porsche 718 and 911 models, Mercedes-AMG vehicles, and numerous exotic performance platforms. Product availability varies by model year, engine, and factory exhaust configuration.

More Control Without Compromise

Many enthusiasts appreciate the flexibility of active exhaust systems but want more influence over how they operate.

Whether leaving the valves open for a more engaging driving experience, keeping them closed during early morning starts, or allowing the factory programming to take over, SST gives drivers the ability to choose the operating mode that best suits the situation.

Because the original exhaust hardware remains in place, owners can enjoy greater flexibility while retaining the refinement and integration expected from a factory-equipped active exhaust system.

Explore SST Spezialsteuergeräte at XPH

At XPH, we offer a growing selection of genuine SST Spezialsteuergeräte exhaust valve controllers for BMW, MINI, Audi, Volkswagen, Porsche, Mercedes-Benz, Lamborghini, McLaren, Maserati, Ford, Chevrolet, Hyundai, and many other performance vehicles equipped with factory active exhaust systems.

Shop SST Spezialsteuergeräte at XPH: https://x-ph.com/sst-spezialsteuergerate/