Designed to be used with Hooker BlackHeart Transmission Crossmembers (P/N 71222020HKR, 71222019HKR, or 71222018HKR) and Engine Mounts (P/N 71221029HKR) for a trouble-free LS engine swap. Use 71223024HKR to Connect These Manifolds to the S10/S15/Sonoma Exhaust Systems Developed for this Swap System.

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

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

Choose from Black, Silver, or Titanium Color Ceramic Finish - For Reduced Engine Compartment Temperature and Improved Corrosion Protection

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

Product Description:

Exhaust Manifold

BlackHeart

Iron

Titanium Ceramic-Coated

GM LS-Series

Pair

At the HEART of any performance vehicle is the exhaust system. For decades, many of the most powerful vehicles on the planet have used Hooker Headers. To stay in front, we introduced the Blackheart line of Performance Exhaust Systems for popular late model vehicles. Utilizing the latest technology and materials to design exhaust systems, engine swap kits and mufflers for both Import and Domestic cars and trucks. From cylinder head flange to tailpipe, BlackHeart is engineered to provide maximum exhaust velocity, ground clearance, style, performance, and quality.