am i going to need a new alternator?

[Neothin 10+ year member]

I want to run a BPx1100.1 @ 1 ohm (1022 watts @ 1 ohm x1 channel) and a PX600.2 (180 watts @ 4 ohms x2 channels) in my scion tC. I'll have the big 3 done in 1/0 gauge.

I'm assuming i'll at least need a new optima yellowtop, but will that be enough? Is a high amp alternator in my future?

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[Lckmyblls 10+ year member]

i would get the yellow top and install the amps and see how it does...