I am going to be purchasing a new alternator very soon

my current alternator is only producing 90amps on a 2003 mitsubishi lancer. these are small cars and its hard to find alternators for them but I have managed to talk to a guy that said will do it for 400$ for a 200amp alternator that fits my exact car no modifications needed. I was wandering if 200amps would be too much. right now installed in the car I have 1 jbl 1200 watt amp and a fosgate 400watt amp and a 2 farad cap. my lights still dim. I bought another jbl 1200 watt amp to put 1 on each sub and will also be buying an optima yellow top. I was wandering is 200 amps is over-doing it for 3 amps. each jbl amp has 3 40amp fuses in them and the fosgate has 2 - 40amp fuses. Also I was reading something about a battery doing 75ah does that mean even though my alternator is producing 200amps / second that the optima yellow top can only deliver 75amp/second? Sorry if this is funny but im kind of newbish to this. Thanks for anyones help

my current alternator is only producing 90amps on a 2003 mitsubishi lancer. these are small cars and its hard to find alternators for them but I have managed to talk to a guy that said will do it for 400$ for a 200amp alternator that fits my exact car no modifications needed. I was wandering if 200amps would be too much. right now installed in the car I have 1 jbl 1200 watt amp and a fosgate 400watt amp and a 2 farad cap. my lights still dim. I bought another jbl 1200 watt amp to put 1 on each sub and will also be buying an optima yellow top. I was wandering is 200 amps is over-doing it for 3 amps. each jbl amp has 3 40amp fuses in them and the fosgate has 2 - 40amp fuses. Also I was reading something about a battery doing 75ah does that mean even though my alternator is producing 200amps / second that the optima yellow top can only deliver 75amp/second? Sorry if this is funny but im kind of newbish to this. Thanks for anyones help

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