2014 & UP Chevy Crew Cab Single Ported Pro-Poly Subwoofer Box 1X12

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.
1-12'' 'Speaker. ported
Port volume .07 cu.ft.
Port dimensions 2''x5.5''x11''
38.25'' Wide
Down Firing Systems.
Air Volume .83 Cubic Feet .
Mounting Depth 5.5''
Material 5/8'' M.D.F
Life Time Guaranty