08-14 CHEVY CREW CAB PORTED 1X8

Fits 2008 and up Chevy Silverado Crew Cab.
New body style
1-8" Subwoofer.
Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base up to four times stiffens the wood and no air leaks
Down Firing Systems.
Air Volume .86 Cubic Feet
Port Volume .03 cu. ft.
Mounting Depth 6'' Dimensions 35" x 11" x 17" 
Material 5/8'' M.D.F