I definitely agree. I would build a console box to fit in the middle if possible. That would be your best option. There is no way you can properly fit two bl's or btl's in there. It will save you some cash too.
12" fully loaded Bl's 4.5 cbft enclosure tuned to 34 hz Going to order the amp on Friday- leaning to the saz 3000 2 kinetik 1800's on the way HO alternator soon!