Check the listing for details. Mega Bass Subwoofer Box Ford F150 09-23 F250 17-23 Crew Cab 2x12 Ported Upfire. Condition: New. Listed at 229.00 USD. Upgrade your car audio system with this Mega Bass subwoofer box designed for Ford F150 09-23 and F250 17-23 crew cab. The 2x12 ported upfire speaker size provides a powerful sound that will make your driving experience more enjoyable. This subwoofer box is compatible with Ford vehicles and can be installed under the seat for a space-saving solution. With single port and a brand name of Mega Bass, you can be sure that this subwoofer box will provide high-quality sound for your favorite tunes. Enhance your car audio experience with this subwoofer box that is perfect for music lovers who are always on the go. —-WOOFERS NOT INCLUDED WE SHOW THEM ON THE PICTURES SO YOU CAN SEE HOW THE BOX LOOKS WITH WOOFERS MOUNTED —- Will fit 2x12 and its ported on the side.