Ok. I'm new to the v10 world as well as the dodge world. Not complaining at all, I love my truck. Only gripe about it is limited info/parts on performance for it. I have stock exhaust manifolds and no cats going into a dual in/out Magnaflow muffler off a Ford lightning in place of cats/muffler. I'm at a crossroads of doing a converted diesel 3 or 4 inch single exhaust system on it with it going to a single pipe as far forward on the truck as I can or just doing true dual with x-pipe. Then there is the question of sticking with factory 2.25 inch pipe or bumping it up t something bigger. Headers are also in the trucks future. Any info or help would be greatly appreciated.