Genuine OEM Audi Intercooler Air Duct, part number 4F0145334N. This molded plastic component is crucial for guiding ambient air efficiently to and from the intercooler, ensuring optimal cooling of the charge air. It is specifically designed for the right side of the vehicle's intake system. Made from durable, heat-resistant plastic, it maintains its shape and integrity under engine bay temperatures and vibrations. Using genuine OEM air ducts guarantees precise fitment, proper airflow characteristics, and resistance to degradation, which are essential for maintaining engine efficiency and power output.