Vibrant exhaust flange gaskets are designed for both 2-bolt and 3-bolt flanged connections. They're made of multi-layer graphite material that's suitable for high-temperature service and will mate same-size exhaust flanges to ensure an accurate, tight, leakproof seal for your exhaust components. Vibrant offers exhaust flange gaskets in a number of sizes, ranging from 2 in. to 4 in. i.d., to better suit your specific application.