i have a 383 stroker in my nova and i wanna do a pro charger. im just looking for maybe 500 or so hp i have about 350 now. i need a system that works with my serp set up. and i do have power steering. the serp system i have is the 22021-09 by marsh... i wasnt sure if i should use an intercooler or not. whats a good dealer to buy them from? how much do they normal cost? i just wanna know what im getting myself into.