Hey Bluejet, thanks for the warm welcome. I do have a question for you. I just purchased a 03 4.7 Ram. I plan on doing a bunch of bolt on mods including a Volant CAI with the fog light scoop, fastman TB, airaid TBS, underdrive pulley and supertuner. I was wondering what kinds of gains this would make? I also had my original muffler cut out and had a Flowmaster super 40 welded in. ( I didn't go with the cat back bolt on because I wanted something a little more aggresive than the 50 series) Any feedback would be awesome. Again, thanks for the welcome. I'm hoping to find some answers.