So I'm new to this whole forum thing and j know this thread has been dead for a long time but I figured I'd share what I came up with as a solution to the aftermarket exhaust. I recently built a cat back system that bolts right up to the secondary cat, removes the resonator, has an aftermarket chambered muffler to avoid losing too much back pressure, and I increased the pipe size from 1.5" to 1.75" only because it was easier to come by. It utilizes all factory hangers, has flanges in the factory locations(at the cat and above the rear axle), and is basically a direct bolt in with the exception