Akrapovic 2021+ Audi S3 Sedan/Sportback (8Y) Sound Kit P-HF1369 DND Performance Interior(R) Ensure to use threadlocker and

Ensure to use threadlocker and do NOT overtighten any bolts/nuts

Stepper or E-throttle Control

Double-check that the connector is fully seated and that wiper/washer fluid levels are adequate

Does this bolt to factory mounting points

Akrapovic 2021+ Audi S3 Sedan/Sportback (8Y) Sound Kit P-HF1369 DND Performance Interior(R) Ensure to use threadlocker andThe optional Akrapovic Sound Kit enables owners of selected Akrapovic car exhausts to control the sound of the system from the cockpit of their machine. Using Akrapovic technology, drivers can easily switch between the quiet mode and a sportier sound. With the use of a receiver (already included in evolution system) to drive the actuators that open or close the valves at the end of the exhaust system, drivers can use the Sound Remote Controller to