Product details:
Features: 2004-2006 GMC/Chevy Crew Cab Behind Seat Dual 10" Subwoofer Sub Box Enclosure 2hole 10" for GMC/Chevy 2004-2006 Non-HD Crew Cab Fits between Air Ducts Behind Seat, Remove Factory Jack, Fires Forward Premium Charcoal Colored Carpet 2004-2006 GMC/Chevy Crew Cab Air Space: 0.60 Cubic Feet (per sub) Mounting Depth: 5.5" Mounting diameter (hole size): 9" (inches) Wood thickness: 5/8" (inch) Material: Highest-grade MDF wood on the market
