Features:

• 2007-2013 GMC/Chevy Crew Cab Dual 10" Vented Ported Subwoofer Sub Box Enclosure 
• 2hole 10" Ported for GMC/Chevy 2007-2013 Crew Cab
• Underseat Upfire
• Finished with Durable Bed Liner
• 2007-2013 GMC/Chevy Crew Cab, Does NOT fit Xcab
• Mounting Depth: 5.5” (inches)
• Mounting diameter (hole size): 9” (inches)
• Wood thickness: 5/8” (inch)
• Air space: 0.77 Cubic feet per sub
• Material: Highest-grade MDF wood on the market