ARH - Long Tube Headers & Y-Pipe (99-06 Full Size Truck 5.3/4.8L) High Flow Cats:Yes When performance and looks are

When performance and looks are a must

have reached 35-40HP+ on dyno with stock cars

AFCO Racing Heat Exchanger

Designed to handle huge power while providing a drone and rasp free driving experience

This high quality kit features 6061-T6 aluminum bearing housings which feature a special Mil-Spec high corrosion resistant anodizing and CNC machined 6061-T6 articulation spacers

ARH - Long Tube Headers & Y-Pipe (99-06 Full Size Truck 5.3/4.8L) High Flow Cats:Yes When performance and looks areHorsepower Torque Great Sound and a dose of added Fuel Efficiency is what you'll get when you combine ARH's high quality, 304 S S header systems with your 1999 2006 full size GM truck. Manufactured in the U. S. 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" primaries.