Since there seem to be some different opinions here I will list my whole setup so yall know exactly what ive got in the truck. This is in a 2006 f150 by the way.
1 Kinetik 2000 in the front
3 Kinetik 3800 in the bed
1 Iraggi 260 amp alt in stock location
1 Iraggi 300 amp dual alt
1 Kicker warhorse 10000.1 amp
1 Kicker 850.4 mids and highs amp
2 Kicker Solo X 18s
Alot of JL Audio Component and Coaxials
Both alternators are wired directly to the front battery then there are 2 runs of 0 ga running to the back batteries, 1 into each side and then connected to the middle battery.