vibrant Exhaust Manifold Flanges, 3/8", Stainless Steel (GM LS)

Vibrant Performance has developed one of the largest offerings of Exhaust Manifold Flanges in the industry. Our 3/8" (9.5mm) thick 304 Stainless Steel flanges have had their exhaust port sizing optimized for use with standard wall round tubing. We also offer 1/2" (12.7mm) thick Mild Steel flanges that feature exhaust ports designed for Schedule 10 or Schedule 40 weld fittings.