The Walker Exhaust Exhaust Pipe Flange Gasket, part number 31398, is a high-quality exhaust gasket made of high temperature graphite with a wire mesh core. Designed for exhaust placement on vehicles, this premium grade gasket has a thickness of 0.705 inches and an inside diameter of 2.000 inches. It comes with a 90-day manufacturer warranty and is interchangeable with other well-known brands such as AP Exhaust and BRExhaust. This donut gasket is a reliable and durable solution for sealing exhaust pipes, ensuring a secure fit and optimal performance.