i have a 04 gmc ext cab and was wondering what are my options are. i have a downfire now and well some of my drunk'n buddies trued to "port" it one night when i was outa town and now needless to say it sounds like crap, i dont know if i should go with another down fire or if there is any other options? i have 2 kicker cvt shallow mount 12's any ideas? thanks guys :)