Genuine OEM Audi Brake Servo Vacuum Pipe, part number 80A611931C. This critical pipe is responsible for supplying vacuum from the engine to the brake booster, which amplifies the force applied to the brake pedal, making braking easier and more effective. It is an integral part of the vehicle's braking assistance system. Measuring approximately 0.365 meters in length and weighing 0.0943 kg, this pipe is designed for precise routing and secure connections. Opting for a genuine OEM vacuum pipe ensures the correct material integrity, vacuum sealing, and resistance to engine bay conditions, which are vital for consistent and safe braking performance.