The **Q-Power 10"** subwoofer enclosure box is custom made to be compatible with GMC or Chevy Crew Cab Trucks, model year 2007 to 2013. This enclosure is designed to fit underneath the rear seats and boasts .90 cubic feet of air space. The **Q-Power 10"** subwoofer box is made from solid 5/8" MDF construction and features charcoal carpet covering, and terminal cup connectors. Turn your ride into a sound machine with the help of the Q-Power 10" Subwoofer Enclosure! If you want the most output for your money, this is the way to go. Dimensions: 50.5" (W) x 16" (H) x 5"-9" (Top D-Bottom D) **This box will not fit trucks older than year 2007.**