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Message: <blockquote data-quote="wew lad" data-source="post: 8415441" data-attributes="member: 665412">you need more than a 200a alternator unless you plan on running two alternators. you're going to need a true 250-300a at idle alternator with at least 3 good AGM batteries, preferably more.you're talking about 3x the power than most stock charging systems can handle. you spent the money on the big boy amp, you need to spend the money on the big boy alternator and batteries now.you'll miss A LOT of output due to the lack of current, when i added a second battery and HO alt i noticed a big increase in output even on my 1k rms amp. i can guarantee you'll drop to at least 11 volts if you want to tune that amp to its max before clipping, which is TERRIBLE for your car and amps. you don't want a brand new 2015 cars electrical to start having problems already do you?</blockquote>

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