im_quagmire Posted March 31, 2016 Report Posted March 31, 2016 if the 3000 watts are true RMS you should look into upgrading your starting battery as well as adding one in the rear. A bigger alt will improve voltage but will not be enough alone to sustain a charge on stock battery bank But What Do I Know? 2003 Chevy Monte Carlo SS 3.8 JVC KD-R975BTS Clarion EQS746 Kenwood P907PS Ascendant Audio 12" Havoc v.1 Ampere Audio 2000.1 MB Quart Onyx 800.4 XS Power D3400 - Hood XS Power D975 - Trunk Singer 240A Sky High OFC 0 & 4 gauge Kno Knoise Kolossus Deadener
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