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

CT5-V Blackwing owners, ARH has answered the call for horsepower and performance for your Blackwing! Now available are our 100% U.S. made long tube header 304 S/S full systems that are designed to fit great, install easily and produce outstanding horsepower and torque. This includes 3/8" thick flanges with tig welded and hand ported inlets, merge collectors with scavenger spikes, OEM style clamps, Grade 8 hardware, 3" stainless steel mandrel-bent tubing, our signature Pure Thunder Series mufflers, and dual split rear exit with 4" polished S/S quad tips. Primary sizes available are 1-7/8" and 2". Manufactured to handle whatever performance potential is your goal, most especially if tuning of any kind is planned. For more information, please feel free to reach us. 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 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.

New from American Racing Headers are our 1955-1957 Tri-Five Chevy Header-Back Exhaust Systems. Designed with durable .065 wall tubing and your choice of our rear or side exit tail pipes, our 3" H-Pipe, and our Pure Thunder Series mufflers. Pair this system with a set of ARH Tri-Five Headers by clicking here . We are proud to build these systems at American Racing Headers in our Research and Development facility with aerospace-grade T-304 stainless steel. Every piece of our products are made here with 100% USA sourced materials! Through this process we are able to offer lifetime warranty on all our systems against rust, corrosion and manufacturing defects. 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 tube routing for superior fit and performance 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.