GM Truck 5.3L 2014-2018 Long System

ARH long tube headers long system for the GM Truck 5.3L 2014-2018 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. 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.