Blue Oval Performance store: , ,

GM Full Size 5.3L/4.8L 1999-2006 Y Pipes Horsepower/Torque Great Sound and a dose of added Fuel Efficiency is what you'll get when you combine ARH's high quality, 304 S/S header systems with your 1999 - 2006 full size GM truck. Manufactured in the U.S. 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 5.3L and 4.8L 2WD trucks. 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. Adapter is included for all 2009 & up 4.8L & 5.3L trucks.




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