2014 & up Chevy Standard Crew Cab Ported Subwoofer Sub Box 2×12 Poly

Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base up to four times stiffens the wood and no air leaks
Fits 2014 – 2018 Chevy Silverado Crew Cab.
1-10”” Speakers
Down Firing Systems.
Air Volume .83 Cubic Feet .
Mounting Depth 5.5””
Material 5/8”” M.D.F

Dimensions 54″” Length x 9″” Width x 18″” Height