I have the 100, and I like mine as well. It was easy to install for a backyard mechanic. The 150 you have to drop the tank but that's not to bad. My truck had the intank fuel pump fitted in it so ended up having to drop my tank as well. I should have went with the 150.
04 ram 2500 quadcab auto banks six-gun with speedloader, s&b cold air intake, 4" turbo back exhaust, and airdog 100.