Genuine OEM Audi Gasket, part number 05L253115. This gasket is designed to create a gas-tight seal between exhaust system components, preventing leaks that could affect emissions and engine performance. It is positioned as shown in the exhaust assembly diagram. Genuine OEM gaskets are constructed from high-temperature resistant materials capable of enduring extreme thermal expansion and contraction, ensuring a durable, leak-free connection that meets stringent factory safety and environmental standards.