Genuine OEM Porsche Exhaust Manifold Gasket, part number 99711121570. This gasket is specifically designed to seal the connection between the exhaust manifold and the engine's cylinder head. Its primary function is to prevent exhaust gases from leaking out at this critical junction, ensuring efficient engine operation and reducing emissions. Genuine OEM gaskets are manufactured with high-temperature resistant materials and precise dimensions to withstand extreme exhaust conditions and maintain a reliable seal.