Don't forget that the port should be at least it's width away form the closest wall. So in your case, make sure your port is at least 2" away form your closest side wall.
'84 Chevy K5 Creative Conversions Blazer (super rare!), restored, new paint, new 355, dual exhaust, interior in progress
4-Boston RX7 5.25's
2-Boston RX7 6.5's
2-Shocker Super Extreme 12's in 11 ft^2 @ 32hz
Soon to come:
US 2000X or Tsunami 1800
7 inch screen
PS2, DVD player, VHS player
Hope to be done around the 1st of the year!!!!