Genuine OEM Audi Exhaust Muffler, part number 4F0253610AR. This muffler is designed to reduce exhaust noise and is located in the exhaust system. Its function is to dampen sound waves. The part weighs 7.791 kg and measures 1.295 m in length, 1.06 m in width, and 0.24 m in height. Genuine OEM mufflers are constructed with specific internal baffling and materials to meet factory sound level requirements and ensure optimal exhaust flow.