2002-2008 Dodge Quad Cab Single 12'' Ported Sub Woofer Box PolyFits 02 2008 Dodge Ram Quad Cab with 60 40 seats or bench seat Ported Enclosure. The hardest hit sub box for the dodge Ram Quad cab Armor Coated With High Pressure Polyurethane Bed Liner Material Increases The Base up to three times , stiffens the wood and no air leaks Air Volume 1. 15 Cubic Feet Total Mounting Depth 7'' with the Magnet diameter less than 6'' Material 5 8'' M. D. F Dimensions 51" Length x 9" Width x 20" Height