PORTED Dual Sub box 2007-2014 GM SIERRA CREW DUAL SUB BOX

• Ported / Vented
• Dual 8 or dual 10 inch subwoofer box
• Tuned to 38 hz
• 2.2 Mono Chamber
• Mounting Depth = 6 inches
• Fits under the rear seat
• Subwoofers fire down
• Charcoal Carpet
• Oem colors available for an additional fee

Note: We can custom tune the box for 8 inch subwoofers

Fits New Body Style 2007 to 2014 Chevy Silverado Crew and GM Sierra Crew

Note:  This will not fit the 2014 1500 (1/2 ton) crew cab.  We have another box for the 2014 1500 Crew Cab.

Hole cutouts:

• Standard hole cutout diameter for 8s = 7 inches
• Standard hole cutout diameter for 10s = 9 1/8
• 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.