ARH - Long Tube Headers & Connecting Pipes (99-06 Full Size Truck 6.0L) High Flow Cats:Yes while still retaining cooling capacity

while still retaining cooling capacity

but also allows the customer to add as much pre-load adjustment as they want into the belt

High thermal efficiency

13 - “Multi-Inputs” – Can be configured as a 0-5V sensor input

G8 GT owners looking for GXP horsepower can have it right now by adding American Racing Headers awesome G8 system

ARH - Long Tube Headers & Connecting Pipes (99-06 Full Size Truck 6.0L) High Flow Cats:Yes while still retaining cooling capacityHorsepower 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"