Description
SST Exhaust Flap / Valve Control for Audi RS4 Type 8W (331 kW / 444 hp) | 2017–2025
Enhance your Audi RS4’s exhaust performance and driving experience with the SST Exhaust Flap / Valve Control, precision-engineered for the 8W series models. This plug-and-play control unit allows you to open or close your vehicle’s exhaust flaps at will, delivering a more dynamic engine sound and a customizable driving experience. Its performance impact is especially pronounced when paired with a sports exhaust system.
Key Features:
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Vehicle Compatibility: Audi RS4 Type 8W (2017–2025), including the RS4 Edition 25 Years (346 kW / 464 hp, from 2024).
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Control Unit Type: AKS.B9RS with IP66 protection class (dustproof & waterproof).
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Compact Design: 65 x 50 x 35 mm; installable in the trunk or behind the bumper.
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Flap Control: Operates 2 exhaust flaps with selectable modes for a tailored sound profile.
Selectable Driving Modes:
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Sport Mode: Flaps permanently open for maximum sound and performance.
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Comfort Mode: Flaps closed for quieter operation.
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Factory Mode: Retains original stock flap behavior.
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Freestyle Mode: Adjustable flap opening at 25%, 50%, or 75% for personalized sound control.
Seamless Integration & Easy Installation:
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Pre-assembled and pre-programmed for quick, hassle-free installation.
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Fully compatible with your vehicle’s electronics with zero interference or error codes.
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No vehicle modifications required; consumes no quiescent current when off.
Additional Features:
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Memory function to restore the last selected mode on startup.
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Option to automatically activate a preferred mode regardless of previous settings.
Important Notice:
This control unit is intended for racing, show purposes, or export use only. It is not compatible with vehicles requiring ABE/road approval in the EU, as installation may void your vehicle’s operating license. Please verify local legal regulations before installation.
Origin: Made in Germany
Upgrade your Audi RS4 with the SST Exhaust Flap / Valve Control for ultimate sound, style, and control.
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.
