Bauer - make sure you have enough air flow to prevent the amp from overheating. I stuffed my amp under the passenger seat. It's manual so I didn't have to worry about motors and wiring for the electric seat. There is plenty of room there with the manual seat, not sure about the electric tho. I have same purpose as you. I have heavy velcro on the bottom of my sub box that keeps it from tipping under normal (and heavy) driving. Also am connected with a bananna plug....when I need to use the space, I just unplug, pull the box and tuck the wire away. Leave yourself enough wire to play with different box orientations.
07 Jeep Commander 4.7L FFV 4X4, 4" Superlift, BFG 285/70/17 KM2's, 4xGuard Front / Belly / Side /Diff Guards, CAI / Catback, Jet Stage 1 Chip
03 BMW Z4 2.5i ESS Stage 1 Supercharged, Staggared Wheels, Koni/Dinan Suspension, Stebro Exhaust