2007 and Up Chevy Ext Cab Down Fire Ported 1×12″” 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 .
Mounting Depth 6””
Material 5/8”” M.D.F

Dimensions: 34″” x 12″” x 17″”