Stephen - are you running a sub in your truck ? got any photos ? im always curious about what folks are doin in their installations.
I had a custom box built...and sik350 youre right..theres not much room.
I didnt move my seat forward...but did have to unbolt the seat to
get the box in.
I also had to cut the carpet away (its molded) theres nothing behind it
('cept a vent...you need at LEAST one vent...so you can shut the doors.)
I had to go w/ the solobaric 10" (L5)...the L7 is too deep...and the 12"
L5 was too deep too.
ITPDiesel moved his seat forward a little...but he made some special
mounts....one offs...id buy 'em if he ever sold 'em or was gonna make 'em...
i checked...hes got no such plans.
http://www.itpdiesel.com/store.php?Truck04=1
see my links for install pics & ideas