GM FULL SIZE 6.0L TRUCK 1999-2007 Classic

Horsepower, Torque, Great Sound and a dose of added Fuel Efficiency is what you'll get when you combine American Racing Headers' high quality, 304 S/S header systems with your 1999 - 2007 full size GM truck. Manufactured in the USA using only U.S. made materials, ARH's GM truck systems feature 3/8" thick laser cut flanges with hand ported inlets, merge collectors with scavenger spikes, 200 cell metallic substrate cats and your choice of 1-3/4" or 1-7/8" primaries. Systems are available for most 4.8L, 5.3L or 6.0L liter 2WD or 4WD trucks/SUVs. Guaranteed to deliver outstanding performance throughout the RPM range while providing a fit and finish that simply can't be beat, this could be the single best upgrade for your GM truck.