ARH - Long Tube Headers & Connecting Pipes (99-06 Full Size Truck 6.0L) High Flow Cats:No if you need one please

if you need one please add one to your cart

-NGK Spark Plugs

The AFCO direct-fit ’09-’15 Cadillac CTS-V heat exchanger is the ultimate way to improve the efficiency of the supercharger’s performance

Integrated electronic transmission control - Operates GM 4L60E and 4L80E transmissions with more to come in the future

ARH - Long Tube Headers & Connecting Pipes (99-06 Full Size Truck 6.0L) High Flow Cats:No if you need one pleaseHorsepower Torque Great Sound and a dose of added Fuel Efficiency is what you'll get when you combine American Racing Headers' high quality, 304 S S header systems with your 1999 2006 full size GM truck. Manufactured in the USA using only U. S. made materials, ARH's GM truck systems feature 3 8" thick laser cut flanges with hand ported inlets, merge collectors with scavenger spikes, 200 cell metallic substrate cats and your choice of 1 3 4" or 1 7 8"