do i really need to upgrade my alternator

do the big 3 and go from there....

i ran a cadence zrs 9000 at a half ohm with a stock 105 amp alt...... had two batteries... a group 35 deka and a group 31 deka

 
my stock alt is 130 you think it can handle it
seyfpu.jpg


 
I am litterally laughing my a$$ off!

OP, don't get too mad. Your subs are only drawing 900 watts. I don't know a whole lot about when you really start needing electrical upgrades, but I doubt if your there. Maybe when you start using that amp to it's fullest. Untill then I would do the big 3 and depending on your power wire maybe upgrade that. See how you like it at that point and go from there.

 
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