SoundBox Ford F150 Super Cab/Extended Cab Single 10'' Subwoofer Enclosure Box 2004-2008 Ford F150 Super Cab/ Extended Cab 2004-2008 Up-Firing (Fits Under Rear Passanger Seat), Single 10" Enclosure Volume (Cubic Feet Per Chamber): 0.97 Cu. Feet/ Mounting Depth: 5" High Quality Terminal Cups (accepts Banana Plugs or Bare Wire Quality Gray Wrapping Carpet This Enclosure Fits: 2004-2008 Ford F150 Crew Cab (Super Crew) Will fit XL, XLT, FX2, FX4, Lariat, Limited, Harley Davidson, 60 anniversary and King Ranch