New subs
Dude, ditch the subs. Go Poineer IMPP DVC's. They are a good bang for your buck. The 12"s offer a 600w max with an intercooler system. Kicker also has high quality, decent cost subs. If you want a decent amp, go expensive. I'd go with RF, JL, PG, or Kicker. Preferably, go with an...