Hooker BlackHeart BHS594 LS Swap Exhaust Manifolds for Chevy/GMC 294-427

These Hooker BlackHeart cast iron exhaust manifolds are designed for 1990-2004 GM S10/Sonoma trucks with LS engines. They feature 2.5-inch outlets and are designed to be used with Hooker BlackHeart Engine Mounts (P/N 71221029HKR) and Transmission Crossmembers (P/N 71222020HKR, 71222018HKR, or 71222019HKR) for a trouble-free LS engine swap.\nChoose from three colors of ceramic finish (i.e., black, silver, or titanium). The ceramic finish reduces underhood temperature and provides improved corrosion protection.