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  1. GL1800 Tech Board
    I have a 2004 GL1800 and I updated my front speakers to Polk Audio 501 and J&M 120 Watt speakers in the back. I also installed the Rockford Fosgate Punch PBR 300 X 4 Amp. It sounds good at mid level but cuts off when volume is turned up (I guess not enough power from battery) it gets super hot...