When I turn the bass up on my system (or even when I don't) the bass causes what i'm pretty sure are my door panels to rattle. I figure I can just put in some subs and direct all the bass into the subs to eliminate the rattling. Can this be done? if so does anyone know of any guides online or anything I can use. Basically, i not only want to add subs, but I want all the bass from the system to go into the subs.