okay. not sure on alt power yet im taking my truck to matt at mechman after the first of the year. since nobody makes a bracket for my truck he is going to make me one. i will atleast be running 2 350ish amp alts if possible 3 of them if i have room. i have a 2008 chevy colorado crew cab. i will be putting majority of the batteries in toolbox type deal in the bed. as far as amps i will be running 4 dc 175.4's 2dc 2000.1's and 2 dc 5500.1's