Seen that car a few times online, has (4) 15" RE subs (dont know what model) in a 4th order bandpass through the rear deck. Has a lot of mids and highs though, Whip audio 6.5s and Eminence AP 80 tweeters in the front and rear doors.
Their were some pics of the install on craiglist a while back when he was trying to sell it, but it got taken down shortly after, not sure if he still has it or not.
Seemed pretty loud for a trunk car, thats a hell of alot of flex.