SoundBox Ford F150 Super Cab/Extended Cab Dual 10'' Subwoofer Enclosure Sub Box 2004-2008, CARB COMPLIANT MDF! DONT BUY CHEAPER NON COMPLIANT MDF! Ford F150 Super Cab/ Extended Cab 2004-2008 Up-Firing (Fits Under Rear Seats), Dual 10" Enclosure Volume: 0.97 Cu. Feet/ Mounting Depth: 5" High Quality Terminal Cups (accepts Banana Plugs or Bare Wire)/ Quality Black 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 This Enclosure Fits: 2004-2008 Ford F150 Extended Cab (Super Cab) Will fit XL,STX, XLT,FX2, FX4, Lariat and 60 anniversary edition models.