2007 and Up Chevy Ext Cab Down Fire Ported 1x12" Poly

Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base, stiffens the wood and no air leaks
1-12'' Speakers Ported Systems .
Down Firing Systems.
Air Volume 1.08 Cubic Feet
Port Volume .06 cu.ft.
Mounting Depth 6''
Material 5/8'' M.D.F

Dimensions: 34" x 12" x 17"