Description
SST Exhaust Flap / Valve Control for Audi SQ8 Type 4M / F1 (from 2019)
Elevate the sound and performance of your Audi SQ8 with the SST Exhaust Flap / Valve Control — the ultimate plug-and-play solution for fully customizable exhaust management. Designed specifically for the Audi SQ8 Type 4M / F1 (from 2019), this control unit lets you manually open or close the exhaust flaps, enabling a seamless transition between quiet comfort driving and exhilarating sport tones.
Engineered in Germany to the highest standards, the SST control unit ensures perfect integration with factory electronics, guaranteeing flawless operation with both stock and aftermarket sports exhaust systems.
Vehicle Compatibility
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Brand: Audi
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Model: SQ8
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Type: 4M / F1
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Power: 373 kW / 500 hp
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Years: 2019 – 2025
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Control Unit: AKS.2KB9
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Protection Class: IP66 (dustproof & waterproof)
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Number of Controlled Flaps: 1
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Dimensions: 65 × 50 × 35 mm
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Origin: Made in Germany
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Installation Location: Trunk or behind rear bumper (waterproof)
Engine Compatibility
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Audi SQ8 (Type 4M/F1) – 373 kW / 500 hp (2019+)
Plug-and-Play Installation
The SST unit comes pre-assembled and pre-programmed with detailed illustrated instructions, enabling fast and easy installation. No modification to the vehicle’s electronics is required. Installation can also be performed at our site upon request.
Seamless OEM Integration
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Integrates perfectly with vehicle electronics
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Causes no error messages
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Draws no quiescent current when switched off
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No coding or vehicle changes required
Driving Modes
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Sport Mode: Flaps permanently open → enhanced exhaust volume
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Comfort Mode: Flaps permanently closed → quieter ride
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Factory Mode: Restores stock exhaust behavior
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Freestyle Mode: Flaps 50% open → personalized exhaust tone
Memory & Customization
Choose whether the system remembers the last selected mode or activates a default mode automatically upon engine start, offering full control over your vehicle’s sound profile.
DELUXE Upgrade with Flap Diagnostics
Optional DELUXE Control adds flap diagnostics, monitoring exhaust flap performance and detecting issues such as jamming, sluggish movement, or incomplete operation, reporting malfunctions directly to the vehicle.
Legal Notice
This unit is not approved for road use within the EU. Installing it in vehicles with ABE/road approval may void the operating license. Intended only for racing, show purposes, or export. Please check local regulations prior to 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.
