GM 2500/3500 HD 6.6L Gas Truck Long System 2020-2026

After many long days and many hours of engineering, fabrication, testing, and refinement, American Racing Headers is proud to announce the completion of our all-new Header & Exhaust System for the 2020-2026 GM 2500 & 3500 Trucks equipped with the 6.6L Gas Engine. Built from premium 304 stainless steel and proudly 100% Made in the USA, this system delivers the premium fitment, superior flow, aggressive sound, and unmatched craftsmanship that ARH has become known for. Whether you're towing, working, daily driving, race truck building or simply looking to wake up your 6.6 Gas Silverado, ARH has you covered with a system built to outperform and outlast the competition. 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. 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.