Genuine OEM Audi Air Resonator, part number 4M0145956J. This component is integrated into the vehicle's air intake system, typically positioned after the intercooler. Its primary function is to dampen pulsations and reduce noise generated by the airflow, contributing to a quieter engine operation. Weighing 0.217 kg, this resonator is engineered for precise fitment and acoustic performance. Using a genuine OEM air resonator ensures proper noise attenuation, maintains optimal airflow characteristics, and provides long-term durability within the engine bay environment.