Vibrant Exhaust Manifold Flange for GM LT1/L98/LB9 SM Block (Dport) - Sold in Pairs

Precision laser cut from 3/8” thick 304 stainless steel, this exhaust manifold flange is built for custom fabrication projects. It’s designed to help you create a turbo manifold or header for a range of GM vehicles, including models like the Chevrolet Camaro, Pontiac Firebird, and Chevrolet Corvette. The port sizing is optimized for use with standard wall round tubing, making it a solid choice for builders looking for a well-made component to start their exhaust system from scratch.

Vibrant Performance offers a wide selection of exhaust manifold flanges, and this particular one is optimized for the D-port exhaust manifold found on GM LT1, L98, and LB9 small block engines. The 304 stainless steel construction means it’s well-built and ready to handle the heat and stress of an exhaust system. Sold in pairs, these flanges give you what you need to get your custom header project underway.