Hello everyone.

I am getting a 1997 nissan altima from a family member and im looking to upgrade the audio system. I was looking at a new head unit, sub and amp and 2 front speakers. I have read many reviews online and more powerful amps tend to dim headlights and require a high output alternator. I was looking at 2 12" Kicker CVRs which are rated at 400 watts RMS each and an 800 watt RMS amp. However, im thinking this is going to be too much for the alternator. Im not positive but im pretty sure the alternator is 80 amps so what do you recommend is a good size for an amp in terms of watts? I will find a sub based on wattage and which amp i choose to get. I would rather not upgrade the alternator and have read that capacitors are no good. Im sure its hard to guess how much power will be sufficient without dimming the headlights or causing damage but im just looking for an estimate. Maybe a 600 watt? I appreciate suggestions. Thanks

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