Posted March 24, 200718 yr going to be doing an install in the gf's 05 grand am and she wants to go pretty big. 2000-4000 watts for the subs and a 500> on the highs. i know the stock 105 amp alt isnt going to be good enough for all this. what are some of the things i need to look for when shoping around. any help would be a great help as i hope to start piecing stuff together soon.....
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