Ok so the preimeuim mach 460 sound system that what i have in my car and im thinkn about geting some subs but I like my stock head unit, is it possible to hook the subs to it, and i know stock it has to small amps in the trunk that power it so if it is possible for the subs to hook up to my stock head unit is there way for me to add another amp to power just the subs and leave the other two powering the stock speakers??? Please help! :shrug: