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

LS Swap Exhaust Manifolds for 1982-2004 GM S10/Sonoma, Designed as One Part of a Fully Engineered Swap System for an Easy Bolt-in Engine Swap

Eliminate the Installation Guesswork and Fitment Compatibility Issues that Can Be Common with Universal Engine Swap Components

Cast from Hi-Silicon-Moly Ductile Iron to Provide Durability and Corrosion Resistance

304 Stainless Steel MLS Collector Gaskets, and Mating Flange Hardware Included

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