The Genuine Porsche Exhaust Muffler (911) - 99111173171 is a high-quality replacement part for the exhaust system of a Porsche 911 vehicle. It is designed and manufactured by Porsche to meet the exact specifications and requirements of the 911 model. The muffler is responsible for reducing the noise and emissions produced by the engine, ensuring a smooth and quiet driving experience. This muffler is made from durable materials and is built to last, providing reliable performance and enhancing the overall driving experience of the Porsche 911.