biggie27

I was wondering would I be able to fit 3 10" subs in the rear pannel of a GS400, I want them facing up but I dont want them to take too much space. I was also wondering what would you recommend, I dont want it to be too loud I want them to sound good and deep. I was also wondering whats a good set of component speakers. I cant afford stuff like dyn's and stuff. Just something to make my mid's and highs sound better. As for the subs what do you guys think about A/D/S 's?