Description
SST Exhaust Flap / Valve Control for Audi S7 Type 4K (331 kW / 444 hp, from 2019)
Experience complete control over your Audi S7 Type 4K exhaust sound with the SST Exhaust Flap / Valve Control – a premium plug-and-play solution engineered for performance, precision, and reliability. This high-quality system allows you to manually open or close the exhaust flaps at will, giving you full command over the vehicle’s sound profile — from quiet comfort to an aggressive sport tone.
Crafted and Made in Germany, this control unit integrates seamlessly with the vehicle’s electronic system and works flawlessly with both OEM and aftermarket sports exhaust systems. Designed to withstand demanding environments, the unit features an IP66-rated waterproof and dustproof housing, ensuring durability and dependable performance in all conditions.
Key Features:
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Plug-and-Play Installation: Delivered fully pre-assembled and pre-programmed for easy installation. Includes detailed, illustrated instructions for fast and straightforward setup. Installation service is also available upon request.
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Flexible Mounting Options: Can be installed in the trunk or behind the bumper. The waterproof housing guarantees secure operation in any weather.
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Compact Size: 65 × 50 × 35 mm
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Control Unit Type: AKS.2KB9
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Protection Class: IP66 – dustproof and waterproof
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Number of Controlled Flaps: 1
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Vehicle Compatibility: Audi S7 (Type 4K) – 331 kW / 444 hp (YOC: from 2019)
Selectable Operating Modes:
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Sport Mode: Flaps permanently open → increased exhaust sound and more aggressive tone.
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Comfort Mode: Flaps permanently closed → quieter, refined sound for everyday driving.
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Factory Mode: Restores the stock exhaust control behavior.
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Freestyle Mode: Flaps 50% open → personalized balance between comfort and performance sound.
Additional Functionalities:
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User can decide whether the system remembers the last selected mode or activates a specific mode at startup.
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Fully compatible with vehicle electronics, ensuring no error messages or interference with onboard systems.
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No quiescent current draw when switched off – preserving vehicle battery health.
DELUXE Control with Integrated Diagnostics:
The DELUXE version includes intelligent flap diagnostics, continuously monitoring exhaust valve performance. It detects potential malfunctions (e.g., jammed, sluggish, or misaligned flaps) and communicates these directly to the vehicle system, ensuring reliability and long-term performance.
Legal Notice:
This product must not be installed in vehicles with ABE/road approval within the European Union. Installation will void the vehicle’s operating license. Designed for racing, show use, or export only. Please verify local regulations before installation.
Origin: Made in Germany
The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.
