i would use 4 gauge for that

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Big box installer (Timmins)
02 GRAND CARAVAN SPORT
I change my mind like i change my underwear lol

new system coming.
-CD7200MKII runing active
-2x RF400-4
-3 set of energy components. 2 front 1 rear
-4x energy 10" subs
-DDSS1 curently have
-Monster cable RCA and wires all over
-2 1/0 to DDSS1 and 4 gauge to each RF amps
-new alternator 160amps
-sound deadning