You can actually get a larger SC with direct bolt on, just check bolt measurements and piping sizeThat's how it came, I'm thinking about getting a smaller pulley for it so I can squeeze a little more power out of it
If your already running a roush super then you should be fine for other then possibly doing a hood cut out to fit it.If I go larger I'll probably have to do some top end work,and that can be time consuming and expensive.lm looking into hand held programers. I found one that they can custom tune it for my truck.