These Hooker BlackHeart cast iron exhaust manifolds are designed for 1982-2004 GM S10/Sonoma trucks with LS engines. They feature a 2.5 inch outlet, a natural cast finish and 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 install.

Features:
  • Intended for 1982-2004 GM S10/Sonoma LS engine swap applications where durability, quiet operation, and leak-free sealing is desired
  • 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
  • 2.5 inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold
  • 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 install
  • Adapter pipes (P/N 71223024HKR) will adapt these manifolds to any of the Hooker BlackHeart exhaust systems for this application