The Vibrant mild steel exhaust manifold flange for Honda/Acura D-Series engines is precision laser cut from 1/2" thick HRPO mild steel for use when fabricating headers or turbo manifolds. Port sizing is optimized for Schedule 10 weld fittings or standard tubing; the flange suits being mated to stainless pipe and is covered by a one-year limited warranty for fabrication use.
Vibrant Mild Steel Exhaust Manifold Flange for Honda/Acura D-Series motor 1/2in Thick