2006 GMC 2500 Crew Cab - Diesel Pow Pow Power

The clamps necessary to secure the exhaust onto the truck were built with the hangers in place, which made things a pretty straightforward proposition.

A slight detour from the directions was taken with the tailpipe. Normally, the tailpipe turns around the rear wheel and sets the exit tip pretty much exactly like the stock system does-out of the passenger side. This GMC was being lifted 10 inches, so in the name of customizing, the tailpipe was modified a bit for this particular arrangement. The turn-out area was lopped off with a chop saw and the tailpipe was placed so the tip faced down instead of out.

From The Driver SeatAfter ensuring that everything checked out okay, we slipped the key in the GMC's ignition and fired the turbodiesel mill to life. The engine settled into a chug-chug-chug staccato idle, as diesels tend to do, and the first impression we had was how quiet everything was. We normally hear a much louder decibel level, but so far it was quiet. Once rolling down the road, the combined parts allowed the turbo to really make some power, and while under a light throttle, the noise output was minimal. Standing on the accelerator allowed the rpms to climb much more rapidly and the exhaust and intake note changed from light to heavy and growling. Perfect! It's calm when you're cruising, clean and loud when you're not.