Seller notes

Fitment and Product Information: Suspension Control Unit (SSC) Upgrade For 2015-2023 Audi A3, RS3, S3, TT, TT RS, TTSBrandname: APR Part Number: SUS00019 Description: The APR Suspension Control Unit (SCU) Upgrade directly replaces your factory suspension controller with a new unit that enables advanced control over your vehicle's factory electronic shocks. The factory controller only operates in a "soft" or "stiff" state with no behavior in-between, despite the incredible capability of the facto...

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