2014 up Chevy Standard Crew Cab Ported Sub woofer Sub Box 2×8 Poly

Fits 2014 and up Chevy Standard Crew Cab. Custom fit Ported
2-8”””Speakers
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 1.25Cubic Feet total , no dividers
Mounting Depth 5.25
53.25”” Wide
Material 5/8”” M.D.F

Dimensions: 54″” x 9″” x 18″”