Hooker BlackHeart BHS518 Hooker BlackHeart LT Swap Exhaust Manifolds

2.5 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance Intended for GM LT engine swap applications where durability, quiet operation, and leak-free sealing is desired Available in plain as-cast finish or with black or silver ceramic coatings for reduced engine compartment temps and improved corrosion resistance Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware included Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance Perfect complement to Hooker engine swap mount plates and Holley engine swap oil pans Patent Pending Design