Hooker Blackheart 8504-1HKR LS Swap Exhaust Manifolds - Center Dump - Silver

2.5 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold Tight tuck design that provides a more forward exit compared to our standard swap manifolds Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired Silver ceramic finish offers reduction in underhood temperature 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 Hardware included: Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware