[Vehicle Fitment]: Compatible with Ford Mustang 1999-2004 V6 3.8L, Mustang 2004 V6 3.9L---Left and Right, Driver and Passenger Side. [Specifications]: 2PC Exhaust Manifold- Included 2x Manifold Gaskets, 4x Studs; Grade Type: "Regular"; Material: " Stainless Steel"; Port Shap: "Round"; Mounting Hardware Included: "Yes". [Reference Number]: 674-535, 674535, XR3Z9431BC, XR3Z9431DC, 674-536, 674536, 1R3Z9430BA, 1R3Z9430CA, XR3Z9430AC, XR3Z9430BA, XR3Z9430BC. [Features]: A-Premium Exhaust Manifold are made of Premium materials with shock absorption, noise reduction and convenient installation which prolong the lifespan of the exhaust silencing system, and promote the maintenance of the interior of the car..
