Has anyone managed to get a subwoofer in a Double Cab? They make all kinds of Subwoofer enclosers for the Standard cab and extended cabs but not the Double cab. The Double cabs don't seem to have much Storage room for that kind of stuff. Any suggestions without compromising the "stock" look too much? A friend of mine put a camper shell on and cut a hole through the cab to the bed. Then put the box half way between and sealed it real good. I'm not that crazy...