Ok i owne a 05' F150 STX Screw and im thinking about upgrading my sound sytem with an Alpine CDA-9833, Alpine 1041D dual or single 10'' subs downfiring under the rear seat, and would like some advice on what amp would be best and how could improve what i plan on already getting. and im new to all this stuff, is it possible for me to install my self or do i need to have professional ( i have prior experience in Home audio)