Patriot headers to fit Pontiac Firebird and Trans Am from 1977 to 1978 with 350 to 403 Oldsmobile motor. Built with surface machined thick steel flanges for a great seal and mandrel bent mild steel tubing. Patriot headers are available raw or with metallic ceramic coating. Unlike paint or chrome, metallic ceramic coating is easy to keep clean, resist rust and corrosion and will not discolour. Metallic ceramic coating also reduces under hood temperatures. All Patriot headers come with installation hardware, collector reducers, gaskets and instructions.