Better plan...ok here the new and improved idea. aka most im gunna get for my money.
Car: CRX
Sub: 15" Fi BTL
Amp: Memphis MOJO 4000 watt amp(forget exact model #)
HU: Pioneer premier DEH-P480MP or kenwood 4032
Alt: 250-300 amp
Batt: 1 Kinetic 2400
Wire: welding supply or knu
Now i just need to know how much wire do you think ill need and what size(1/0 or 4/0 not sure yet). Also if id be fine using the kinetic as the primary batt. Any helps would be appreciated