Ported/Vented Sub Boxes

2007-2013 GMC SIERRA CREW AND CHEVY SILVERADO CREW CAB TRUCK Ported sub box Fits four 8 inch subwoofers Mounting depth = up to 6 inches Air space = 2.4 cubic ft mono chamber Vent Adjustable Speaker terminals included but not installed due to risk of...

2007-2013 CHEVY SILVERADO CREW CAB TRUCK Ported Fits four 8 inch subwoofers Mounting depth = up to 6 inches Air space = 2.4 cubic ft mono chamber Vent Adjustable Speaker terminals included and holes for the terminals are cut.  (Terminals are...

Ported / Vented Dual 8 and 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...

Ported box Fits dual 8 inch subwoofers Mounting depth = 5.2 inches Air Space = 1.0 cubic ft shared tuned to 38hz speaker terminals included charcoal carpet OEM colors available MDF wood Hole cutouts: Standard hole cutout diameter for 8s = 7 inches If...