I have mine facing to the back, The guy at the shop told me i would get a better response from the bass because it would bouce off the back of the trunk and back into the cabin. I have my ground wire to this bolt under the seat.
White 00' Mercury Mystique GS Aiwa CDC-Z117 CD Deck Rockford Fosgate 160.2 Amp Two 12" Lightning Audio Subs in Sealed Box. 5% tint