New Alternator

Ok guys, I am looking for a new Alternator for my system. Sure the old one is fine.

I have done a few things to upgrade the wiring system in the car, but I think it needs to be upgraded.

I runa 4000 watt stereo system, and I am starting to get a slight amount of flickering since I added neon to the car.

Any how, can some hook me up on a website or a parts place that has one the puts out over 100 amps.

Thanks guys and ladies if there are some .

Jason