If you want increased horsepower and throttle response, with a little extra engine growl, then don't look any further than the original header company Hooker shorty exhaust headers are built to deliver. Hooker shorty headers are constructed of 16-gauge stainless steel, which provides excellent strength and corrosion resistance. All headers 3/8" thick, CNC header flanges, which create a tight seal. All Hooker headers are hand welded for unmatched quality, and a beautiful look. Hooker headers are designed to retain factory 02 sensors and catalytic converters. Mitered merge collectors maximize exhaust velocity and scavenging, which creates broad torque curve.