Join Date: Nov 2013
Location: White River Jct.
It looks like it's 2.5" going into the cat and 2" coming out.
I live in Vermont and since mufflers can rust out pretty quickly, I'm planning on replacing this spring with a full (or mostly) stainless exhaust system. I'm going to look into the system from Kopak (sp?) here on Jeepforum.
So my biggest concern is whether running it this winter and early spring with a 2" will hurt the vehicle in any way long term. Not worried if I can't do 0-60 in the snow.