Capacitor for car audio, yes or no?

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Boblo1

New member
I am getting a new system put in my car. It's an 08 Civic SI so the battery is slightly smaller than a normal car battery. The old system I had in it would dim the lights when the subs would hit. Now with a bigger system, would I need a capacitor. One installer said yes and another said that capacitors were 'alternator killers'. Let me know what you think, thanks for the feedback!
 
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Elitegroups

New member
I've never heard of them being alternator killers but they may help to smooth out very brief transients. If your electrical system is already weak than a cap won't help you.
 
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UncleRuckus

New member
It won't make a huge difference but it's not an alternator killer. Don't have that guy install anything in your car lol. What a cap does is save up a charge from your battery and then feeds your amplifier for a while and gives your battery / alternator a break. I'd get one if I were you.
 
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Gene

Member
I got a farad cap in my car and it looks pretty when lit up at night and that's it.Your best bet is a upgraded alternator and a dry cell battery.Check out the 3 big three upgrade on youtube.
 
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