Along the lines of above. You could pull the rack and fit your amp under there, but no dice on the sub. And when you go to pick a sub, keep it as shallow as possible. I know kicker makes a new shallow type sub that will fit and sounds really good back there, ill try to find the plans for 2 10"s.
Ive got the captains chairs in the back so i went with a homemade JL audio stealth type box in my rear console rather that the front, it was the only way i could fit a deep 10".
Maybe blaupunkt makes a good shallow sub too now that i think about it, pioneer too.