i have mine, along with my sub, flush mounted on a board standing up facing toward the front of the trunk. It's positioned as far back as I could have it done so that I still retain most of my trunk space. I can still fit a few sets of golf clubs in there, so I'm happy. BTW, nice amp Tony!!!!

vinny "2000 T-RED SVT"
Mods:
kkm
sho shop off road y-pipe
Audio:
Alpine CDM 7874
Audio Control 4.1 EQ/Line driver
Mb quart rsb 215 comp.
Mb quart rsc 216 comp.
blueprint 1001 sub
2 Phoenix Gold qx2180 amps