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The Akrapovic Sound Kit for 2021+ Audi S3 Sedan and Sportback (8Y) is an optional accessory for compatible Akrapovic exhaust systems that enables in-cabin control of exhaust valve operation to switch between quieter and sportier tones. Using the system's existing receiver and actuators, the remote controller regulates valve position; note that installation of the optional Sound Kit may affect the system's type approval.
Akrapovic 2021+ Audi S3 Sedan/Sportback (8Y) Sound Kit
