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
Life Time guaranty
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