Cometic Honda H22 .040inch MLS Exhaust Manifold GasketCometic Gasket Inc. Exhaust Gaskets are designed to be used with manifolds or headers. Offered in a range of materials to make sure you are covered with any cylinder head and manifold header combination. All exhaust gaskets are designed to be used without the use of messy sealants. The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes The center or shim layer is an