Ported Sub box 07-13 GMC Sierra/Chevy Silverado Extended Cab

2007-2013 GMC Sierra and Chevy Silverado Extended cab dual ported sub enclosure

Note: This does not fit 2007 Old Classic Body Style. If you have the 2007 Extended Cab please check to see if you have the new or old body style. If unsure please contact us.

Customers love how the 8 inch jl audio w7 sound in this box!  One customers review was "The w7s slam with this enclosure!"

Features:

• dual 8 subs only
• Ported
• air space = 1.4 cubic ft. mono chamber
• charcoal carpet
• MDF wood

*port tuning can be adjusted for a small fee.
contact us if you want it tuned.

 Hole cutouts:

• Standard hole cutout diameter for 8s = 7 inches
• If you dont know the actual hole cutout diameter choose the standard cutout below.
• If we dont 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.