I got some used boston pro 4.1 components and installed the 4" speaks in the front "holes". I used some creative coat hangers to get the speakers to mount and angled the upwards as much as possible. I installed the tweeters in the lower corners of the windshield.

Boston Pro 5.1's in the sound bar turned down a bit (they were from another install, otherwise I wouldn't have installed such nice speakers in the "rear"). 8" 2ohm (whoops) kicker solobaric in the refabricated factory subwoofer cutout.

Total power are two old rockford fosgate kidney bean amps. A 4040 (4x20) wired in stereo for the fronts and bridged to the rears (the rears are wired in serial to give less rear stereo separation) and a punch 60ix (2x30) for the sub coming from the combined output from the 4040.

http://www.riocar.org/modules.php?set_albumName=album38&op=modload&name=Photo_Gallery&file=index&include=view_album.php