It will be for a 93' Mazda B2200 single cab, i have plenty of room behind seat (im short lol).
12" HiFonics HFX12D4, actual mounting depth is 5.61"
Ported: 1.6 - 2
Hopefully it's tuned, if not lmk.
Sealed: F3 43Hz
Fb 35-38Hz (35 is better)
Port Size (Inside Diameter) 3-4 inches
F3 35-38Hz (35 is better)