Features:

• 2001-2006 Chevy/GMC Heavy Duty 1500/2500/3500 Subwoofer Box 
• 2hole 10" Chevy/GMC Heavy Duty  /4 Door 1500/2500/3500 HD under seat 2001-2006
  
• Underseat Downfire
  
• Premium Charcoal Colored Carpet
  
• 2001-2006 Chevy/GMC HD Heavy Duty 1500/2500/3500
  
• Air Space: 0.5 Cubic Feet (per sub)
  
• Mounting Depth: 5.25"
• Mounting diameter (hole size): 9" (inches)
• Wood thickness: 5/8" (inch)
• Material: Highest-grade MDF wood on the market