Flowtech 31106FLT Exhaust Header

Compatible with 1963-1974 Corvette: 283-400ci Standard Headers Primary Tube Collector Size 1.625 in. x 3 in.; Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16 in. flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance.;