01-06 Silverado HD Crew /GMC Sierra HD Crew Dual Box - behind rear seat

2001-2006 Chevrolet Silverado Heavy Duty Crew cab truck

2001-2006 GM Sierra Heavy Duty Crew cab truck

Features:

• Fits behind the rear seat
• Fits dual 8, dual 10 or dual 12 inch subwoofers
• Speaker terminals included
• Charcoal carpet.
• OEM colors to match your factory interior available at an extra charge
• Mounting depth = 6 inches
• Air space = 1.8 cubic ft per sub

Hole cutouts:

• Standard hole cutout diameter for 8s = 7 inches
• Standard hole cutout diameter for 10s = 9 1/8
• Standard hole cutout diameter for 12s = 11 1/8 inches
• If you don't know the actual hole cutout diameter, choose the standard cutout below.
• If we don't have your actual diameter listed below, choose the standard cutout, then provide us with your sub model #.  No worries, we can look up the specs of your subs.