ARH - Long Tube Headers & Connecting Pipes (99-06 Full Size Truck 6.0L) High Flow Cats:No Any air that is grabbed

Any air that is grabbed by the scoop is literally rammed through the intercooler core

25-inch heavy-duty DOM tubing and are on-car adjustable

Fully featured boost control capability eliminates the need for a separate boost control device

Even better for the consumer is that the entire bracket

Melling High Volume Oil Pump

ARH - Long Tube Headers & Connecting Pipes (99-06 Full Size Truck 6.0L) High Flow Cats:No Any air that is grabbedHorsepower 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"