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Message: <blockquote data-quote="Fuel37" data-source="post: 59369" data-attributes="member: 543586"><p>i think caps make a difference.  they allow your amp to give longer fuller low's..... in my friends car when he first hooked his system up his lights would dim with the music like right down to nothing and he added a 2 farad cap and it fixed everything..... they do put more strain on your alternator though.  don't use them for a backup if your alternator or rest of the charging system is lazy.  i think they probably give you more output from your amps if the rest of the charging system is healthy.  instead of your amp getting like 13v spike from the battery it can get (depends on the cap) like a 20 volt spike or more. ( more voltage going in = more wattage coming out i'm assuming)</p></blockquote><p></p>

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