with your amp 1500 from rockford with a bigger agm batt in the hood and that singer 275a alternator and jsut make sure you do your big three you might not need an extra battery until you upgrade to 3kyeah isnt really anything near me like that, im in canada.. so ill be going over the border to sams lol, border is like 5 min drive from me to the rainbow bridge, ill be going tonight or in the morning and asking for the biggest agm battery that will fit in my 06 malibu 3.5l lol
im pretty sure you have an volt meter right?
