GM Truck 6.0L 1999-2006 Long System

ARH long tube headers long system for the 1999-2006 Chevy/GM Truck/SUV 6.0L features 304 stainless steel 1 3/4″ primaries, 3″ merge collectors, and y-pipe along with all the necessary hardware and gaskets for a bolt-on installation. The 1999-2006 Chevy/GM Truck/SUV 6.0L American Racing Headers long systems were designed to bolt-on to your factory axle-back or any aftermarket axle-back. Some modification may be required. The American Racing headers require a crossover y-pipe assembly and they are offered with or without converters. Using the catted crossover pipes cause very little restriction and they help to control emissions. Product features on this system includes: 100% Made in the USA – Never Outsourced Made entirely of 304 stainless steel 3/8″ thick laser-cut flanges for a warp-free seal Hand-ported TIG welded inlets Optimized primary tube routing for superior fit and performance Merge collectors with scavenger spikes Catted systems feature severe duty 300 cell catalytic converters with the option to upgrade to 400 cell G-Sport catalytic converters. Call before ordering to upgrade. Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.