Description
The SST Exhaust Flap/Valve Control system gives you full control over the exhaust flaps of your Audi Q8 (Type 4M, from 2020). This plug-and-play module integrates seamlessly with the OEM exhaust system, providing a refined or aggressive exhaust sound depending on your preference. When paired with a sports exhaust, the effect is even more pronounced.
Important Notice:
This control unit is not approved for vehicles with ABE/road approval in the European Union. Installation in such vehicles will void the vehicle’s operating license. Intended for racing, show, or export use only. Please verify the legal regulations in your country before installation.
Features:
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Made in Germany – premium quality
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Compact, waterproof housing (65 x 50 x 35 mm)
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Installation in trunk or behind bumper
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Controls 1 exhaust flap
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Pre-assembled and pre-programmed for plug-and-play use
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Illustrated installation and operation manual included
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Seamless OEM integration – no fault codes or modifications
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No quiescent current draw when switched off
Fitment (Audi Q8 Type 4M, from 2020):
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Audi Q8 55 TFSI e – 250 kW / 335 hp – from 2020 – only with flap exhaust system
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Audi Q8 55 TFSI e – 280 kW / 375 hp – 2020–2022 – only with flap exhaust system
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Audi Q8 55 TFSI e – 290 kW / 389 hp – from 2024 – only with flap exhaust system
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Audi Q8 60 TFSI e – 335 kW / 449 hp – 2020–2022
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Audi Q8 60 TFSI e – 360 kW / 482 hp – from 2024
Operating Modes:
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Sport Mode: Flap permanently open → maximum exhaust sound
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Comfort Mode: Flap permanently closed → quieter operation
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Factory Mode: Flap operates as per OEM stock configuration
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Freestyle Mode: Flap 50% open → customizable sound and volume
Additional Features:
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Memory function – remembers last-used mode or allows predefined startup mode
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No impact on vehicle electronics or onboard systems
DELUXE Control Upgrade:
Optional upgrade includes advanced flap diagnostics. The system continuously monitors the exhaust flap(s) and reports any malfunctions (e.g., jammed, sluggish, or incomplete movement) directly to the vehicle.
