Genuine OEM Audi Vacuum Pipe, part number 80A611931N. This essential pipe is designed to transport vacuum pressure, primarily serving systems like the brake booster to provide power assistance. It is located within the engine bay, connecting to the brake booster assembly. The pipe measures approximately 0.61 meters in length. Opting for a genuine OEM vacuum pipe ensures the correct material integrity, precise routing geometry, and secure connections, which are vital for maintaining proper system function and preventing vacuum leaks.