Super Duty Dual 12" Ported Subwoofer Box Enclosure For 2000-16 Ford F250/350/450

About this item Behind Seat, Removal of Jack Kit, Rear Seat Belt cover & rear carpet is required. Power window motor needs to be removed during installation. Finished with durable bed liner F250/350/450 Super Duty Crew Cab. Mounting Depth: 4.5 (inches). Mounting diameter (hole size): 11 (inches). Wood thickness: 5/8 (inch). Air space: 1.4 Cubic feet Material: Highest-grade MDF wood on the market Features: 2000-2016 Ford F250/350/450 Super Duty Dual 12" Ported Subwoofer Box Enclosure Dual 12" Ported for Ford F250/350/450 Super Duty 2000-2016 Behind Seat, Removal of Jack Kit, Rear Seat Belt cover & rear carpet is required. Power window motor needs to be removed during installation. Finished with durable bed liner F250/350/450 Super Duty Crew Cab Mounting Depth: 4.5” (inches) Mounting diameter (hole size): 11” (inches) Wood thickness: 5/8” (inch) Air space: 1.4 Cubic feet Material: Highest-grade MDF wood on the market