Is there any custom "subwoofer" box for under the rear seat on a 1999 F-150 extended cab? I would like a good "boom" but right now I got custom woods boxes with 10" speakers. The space is not enough for a good bass.
Need help on this.

 

http://www.crutchfield.com/S-AYVPcAb...0&I=236FXP6CT4

 

You mean something like this.

 

go to www.subbox.net and click on FORD SUB BOXES