I had a big sistem install in my 2006 4door dodge ram i have two monster amps install zapco wk 4000 and zapco wk 2000 I have 4-13 1/2 jl audio this guys put three altima bateries 5 capacitor but no upgrade to the alternator I need to know if anybody knows what I have to do to put more juice to the amps so I can get more out of them please let me me know what I need to make this more powerfull thanks In advance Edgar