What kind of power/electrical upgrades do I need?

[1rockford1 5,000+ posts]

u will need a ho alt 250 + amps, 0 ga wire for power and ground big 3 and u might as well do a few extra grounds under the hood. and a big battery up front and a battery for each amp. any were from 1400-2000

 

[DBBOOM 10+ year member]

I got my 360amp alternator from http://www.DCpowerinc.com , and it load block tested over 400amp. Their website lists their number give them a call.