This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
American Racing Headers is a great example of what culminates when highly skilled fabricators, with a complete understanding of motorsports and the science behind the parts they create, come together to take on a new world of high performance.
Taking the Bull by the Horns approach, American Racing Headers was formed to prove that superior quality and outstanding performance can and will be the keys to success. A staff with 40 plus years of combined high performance exhaust fabrication experience see to it that only the finest components and craftsmanship go into every header system.
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 inch 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 inch or 1-7/8 inch 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.
WARNING: Cancer and Reproductive Harm
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