The Genuine Porsche Exhaust Muffler Left (Cayman Boxster) - 98711312404 is a high-quality, factory-made exhaust muffler designed specifically for Porsche Cayman and Boxster models. It is made from durable materials and is an exact replacement for the original muffler on the left side of the vehicle. This muffler helps to reduce exhaust noise and improve engine performance. It is an authentic Porsche product and is compatible with the 98711312404 part number.