ok so i upgraded my subs now i have 4-12" alpine type R's now how in the world do i fit them in my 03 malibu? with out making a wall, i wanna keep my back seats. only thing i can thing of is to make a half octagon box with 2 facing the rear and the other 2 facing to each side slightly angled and port them out the back of the seats or keep a sealed box, this is really got me puzzeled right now and kinda lost so does any one have any idea? they might be willing to share with me?