Car audio....Do i need to upgrade thealternatorr and big 3 at 1400 rms?

athlete101

New member
I'm going to be running two amps one at 400 rms and one at 1000 rms. I plan to up grade the big 3 and get a capicator for shits and giggles. But will i need to upgrade the alternator and battery also?

how many rms can i run before i need to upgrade.
i wont want my lights to dim or anything
 
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