Ported/Vented Sub Boxes

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...

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...

1999-2006 Gmc Sierra Extended Cab 1999-2006 Chevrolet Silverado Extended Cab Note: This will also 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. ...