2008-2013 Chevy Crew cab Ported poly Subwoofer Box 2X12

Fits 2008 and up Chevy Silverado Crew Cab. Ported
New body style
Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base up to four times stiffens the wood and no air leaks
2-12'' subwoofers
Down Firing Systems.
Air Volume 1.72Cubic Feet Total ( no dividers)
Mounting Depth 61/2''
Material 5/8'' M.D.F

Dimensions: 52" x 11" x 17"