I have an 04 g coupe with 50000 miles on it..I just got a system installed and whenever I have it up it seems like my tranny is bucking during acceleration and when I'm coming to a stop..But when I turn it down or mute it it doest happen and its an auto..I thought maybe I need a cap but my lights don't dim and I only have a 500/1 and a 6 channel amp with a 10 inch sub..I didnt know where to post this sorry if its the wrong section..