Description
SST Exhaust Flap / Valve Control for Audi S8 Type 4H (2012–2017)
Experience total control over your Audi S8’s exhaust system with the SST Exhaust Flap / Valve Control, precision-engineered for performance and reliability. Designed specifically for the Audi S8 Type 4H (model years 2012–2017), this advanced plug-and-play control unit allows you to open or close the exhaust flaps at will—delivering a driving experience tailored to your mood and environment.
Whether you prefer the subtle refinement of Comfort Mode or the powerful sound of Sport Mode, the SST system ensures flawless operation with both OEM and aftermarket exhaust systems. The control unit’s Made in Germany quality guarantees durability and long-term reliability for demanding drivers.
Key Specifications:
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Vehicle Compatibility: Audi S8 (Type 4H) 382 kW / 512 hp (2012–2017) and Audi S8 Plus (Type 4H) 445 kW / 597 hp (2015–2017)
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Control Unit Type: AKS.S8
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Protection Class: IP 50 – dust-protected design
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Installation Location: Engine compartment (E-box / fuse box), completely hidden from view
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Number of Controlled Flaps: 2
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Compact Dimensions: 67 × 31 × 19 mm
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Origin: Made in Germany
Plug-and-Play Installation:
Delivered pre-assembled and pre-programmed, including detailed installation and operating instructions. Installation is fast and straightforward—no vehicle modifications required. Upon request, installation can also be performed at our facility.
Guaranteed Compatibility:
The SST control unit integrates seamlessly with the vehicle’s electronic system and is 100% compatible with the specified Audi S8 models. It generates no error messages and draws no quiescent current when switched off, ensuring complete protection of the on-board electronics.
Selectable Operating Modes:
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Sport Mode: Flaps permanently open → enhanced exhaust sound and performance tone.
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Comfort Mode: Flaps permanently closed → refined, quiet driving experience.
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Factory Mode: Flaps controlled as per original Audi factory settings.
Advanced Features:
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User-configurable memory function: Choose whether the system remembers the last used mode or activates a specific mode automatically at every engine start.
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Optional DELUXE Upgrade (+ €10): Adds intelligent flap diagnostics that continuously monitor flap function. The system detects issues such as blockages or incomplete movement and reports them to the vehicle system.
Legal Notice:
This product is not approved for use on vehicles with ABE/road approval within the European Union. Installation on public roads will invalidate the vehicle’s operating license. For racing, show, or export use only. Please verify your country’s local regulations before installation.
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.
