88-98 GM Extended Cab 2-12 FF Sub Box Poly

Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base, stiffens the wood and no air leaks
2-12'' Speakers
Front Firing System
Air Volume 1.40 Cubic Feet Per Side
Mounting Depth 7''
Material 5/8'' M.D.F
Fits Extended Cab 3-Door Also

Dimensions: 59" x 19" x 15"