Genuine OEM Audi Rear Bumper Diffuser, part number 8N0807421F3FZ. This component is designed to manage airflow at the rear of the vehicle, contributing to aerodynamic stability. It features a distinctive honeycomb pattern and is positioned on the lower section of the rear bumper. With a length of 0.868 meters, it is made from durable plastic with a 3FZ finish. Choosing genuine OEM ensures precise fitment, correct aerodynamic properties, and a durable finish that integrates perfectly with the vehicle's exterior styling.