2001-2007 Chevy Crew Cab HD behind seat Poly Sub Box 2X12

Fits 2001-2006 Chevy Crew Cab Heavy Duty
Fits 1500-2500-3500 Series Behind The Rear Seat
2-12'' Speakers
Armor Coated With High Pressure Polyurethane Bed Liner Material
Increases The Base, stiffens the wood and no air leaks
Front Firing Systems
Material 5/8'' M.D.F
Air Volume .88 Cubic Feet Per Sides
Mounting Depth 5.5''
Back Panel Carpet Must Be Removed

Dimensions: 49" x 9" x 15"