Its in a tahoe I plan to build a box this summer. I have a 250 amp alt comming my way. 4/0 (not 4 gauge) big 3 and wire to all 3 batts and have red tops ordered have 3 normal batts now. The amp should put out 2200 at 1 ohm at 14.4 so if im running 14 and 1.3 ohms should still have the power...