Flowtech 11112FLT Exhaust Header

Compatible with 1955-1957 Chevy: 265-400, Tube Size 1.625 in., Collector Size 3 in., Will Not Fit Convertible Models; 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 resistant black paint for a stealthy appearance.;

Fuel Economy From The Engine Leak Test For Max Performance Mandrel-Formed Power Plenum Leakproof O-Ringed Port Seals Include All Mounting Hardware Constructed of .049 cold roll flash mild steel tubing