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Message: <blockquote data-quote="Nater&amp;amp;Hailey" data-source="post: 7871893" data-attributes="member: 644140"><p>So i recently got the 4.0 HDC on my MRP M2000 at 2 ohms and my car is dimming pretty bad, my alt. is a stock 85 amp. its also a crappy NAPA battery under the hood. I know a new alt would be ideal but don't have the money right now. would i be able to just get a yellow top and run it... Big 3 even? I just want to maintain a decent idle voltage (higher than 12.9).....</p></blockquote><p></p>

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