Description
The SST Exhaust Flap/Valve Control is designed for Audi A8 Type 4N models (2017+), giving you complete control over the exhaust flaps at any time. This plug-and-play system works seamlessly with the factory exhaust and delivers an even more pronounced effect when combined with a sports exhaust system.
Important Notice:
This product must not be installed in vehicles with ABE/road approval within the European Union. Installation may void the vehicle’s operating license. For racing, show, or export use only. Please verify local regulations before installation.
Features:
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Made in Germany – premium quality manufacturing
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Plug-and-play installation, pre-assembled and pre-programmed
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Compact controller size: 65 x 50 x 35 mm
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Waterproof installation in trunk or behind bumper
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Controls 2 exhaust flaps
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Includes illustrated installation and operating instructions
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No modifications required to the vehicle
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Zero quiescent current consumption when off
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Seamless integration – no error codes in the vehicle electronics
Fitment (Audi A8 Type 4N):
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Audi A8 (Type 4N) 250 kW / 335 HP – from 2017
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Audi A8 (Type 4N) 338 kW / 453 HP – from 2018
Operating Modes:
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Sport Mode: Flaps permanently open – louder, sportier exhaust sound
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Comfort Mode: Flaps permanently closed – quieter operation
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Factory Mode: Flaps operate in OEM stock configuration
Additional Features:
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Memory function – system can remember last active mode on startup
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Option to set a default mode that activates automatically at every engine start
Optional DELUXE Upgrade :
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Continuous exhaust flap diagnostics
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Monitors for malfunctions such as stuck or sluggish flaps
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Reports issues directly to the vehicle electronics
