American Racing: 2014-2019 GM Truck 5.3L Long System Headers

American Racing Headers: 2014-2019 GM Truck 5.3L Long System. 1-3/4" x 3" or 1-7/8" x 3".

ARH long tube headers long system for the GM Truck 5.3L 2014-2019 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:

  1. 100% Made in the USA - Never Outsourced
  2. Made entirely of 304 stainless steel
  3. 3/8" thick laser-cut flanges for a warp-free seal
  4. Hand-ported TIG welded inlets
  5. Optimized primary tube routing for superior fit and performance
  6. Merge collectors with scavenger spikes
  7. Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability