Features:

• 2007-2013 GMC/Chevy Xcab High Transmission Dual 12" Sealed Subwoofer Sub Box 
• 2hole 12" for GMC/Chevy 2007-2013 Xcab High Transmission
• Underseat Downfire, This vehicle has a large hump under the seat
• Finished with Durable Bed Liner
• 2007-2013 GMC/Chevy Xcab, Does NOT fit Crew cab
• Mounting Depth: 5” (inches)
• Mounting diameter (hole size): 11” (inches)
• Wood thickness: 5/8” (inch)
• Air space: 0.8 Cubic feet
• Material: Highest-grade MDF wood on the market