I have a 1999 5.4l ford lariat and I have a 1200 max power 5 way amp. I also added a separate 1600 watt amp with a 1500 subwoofer. first of all did I go way to far with the separate amp and sub and the wattage? What should I install when I redo and the sub and 2 amps are currently in the rear left passenger seat, does anyone have a good recommendation I'm willing to buy a new amp high end wiring and 4 speakers new. I'm restoring my truck so give me the bills lol :-)