Click on image to zoom

ARH 2020+ GM 2500/3500 Truck 6.6L L8T Long Tube Headers and Catted or Non-Catted Y-Pipe

GMTK-LONGSYSTEM-L8T
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.

Y-Pipe can be optioned with ARH severe duty 300-cell cats or G-Sport high-flow 400-cell cats (recommended for those making 650+ HP) or non-catted y-pipe.

*See our primary size horsepower chart below if you are unsure of what size you may need.
Shipping: FREE SHIPPING ON ALL AMERICAN RACING HEADERS
Pricing: $2,427.78

Customize Your Item

- Header and Y-Pipe Options -
Qty:
Free Basic Shipping

Description

Product features on this system includes:
Made entirely of 304 stainless steel
100% Made in the USA - Never Outsourced
These products do NOT meet CARB compliance

Fitment:
2020+ GM 2500/3500 Silverado/Sierra 6.6L Trucks

Engine Horsepower Chart:
300HP-575HP : 1-3/4" tubing
400HP-800HP : 1-7/8" tubing

*1-7/8" and larger primaries are recommended for forced induction applications

Details

Shipping Information

  • Item Requires Shipping
  • 38.0 lbs.
  • W12.0000” x H18.0000” x L18.0000”
  • Free Basic Shipping
  • FREE SHIPPING ON ALL AMERICAN RACING HEADERS

  • Have a question? Ask the Pros
  • 877-514-9494Mon - Fri 8:00 AM - 4:00 PM PST