Genuine OEM Audi exhaust tip, part number 420251237B. This component serves as the final outlet for the exhaust system, designed to provide a clean aesthetic finish and secure mounting to the exhaust pipe. It is engineered to withstand high exhaust temperatures and environmental exposure. Genuine OEM exhaust tips are essential for ensuring the correct fitment, alignment, and thermal expansion characteristics required to maintain the integrity of the exhaust system and prevent vibration or rattling.