2001-2016 Standard Port Stainless Steel Exhaust Manifold Gasket Set 2 Pcs (118062010)Description Creates a tight seal between the Exhaust Manifolds and 6. 6L GM Duramax engine. Two piece set features multi layered 304 stainless steel. PPE Manifold Gaskets are designed to fit both PPE High Flow Exhaust Manifolds and GM OEM manifolds. Features High Performance Manifold Gaskets For Standard Ports Multi Layered 304 Stainless Steel Sold As A Set (2)