Flowtech 11506FLT Exhaust Header

1967-1974 Chevy/GMC 4WD truck, 1/2-3/4-1-Ton, 1967-1974 4WD Blazer/Jimmy K5/Suburban: 283-400, Tube Size 1.625 in., Collector Size 2.5 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 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 Precision engineered for fit, performance and economy