Chevrolet / GMC Custom Subwoofer Boxes. Silverado / Sierra Extended & Double Cab. Silverado / Sierra Crew Cab. Choose Options 2003-2006 GMC Sierra 1500 non-HD Console Enclosure. Custom Dual 12 Chevy C/K Extended Cab 88-98 Truck Sub Enclosure.
2 Q-Power Shallow Single 12 Sealed Truck Subwoofer Enclosure. 5.0 stars 5.0 (2) ratings. Introducing the deepest subwoofer box commercially available for your 99-06 and 07 classic GM extended cab pickups. GMC/CHEVY Pickup Custom Subwoofer Boxes. OBCON is changing all that with the Q Series Power Port Slot Vent custom truck design enclosures.
Buy GMC SIERRA EXT CAB TRUCK 88-98 CUSTOM 10 SUB BOX STEREO SUBWOOFER ENCLOSURE with fast shipping and top-rated customer service. Xtreme Mobile Solutions is your connection to speaker and subwoofer boxes and enclosures for your car or truck. Chevrolet Silverado/GMC Sierra Double Cab Trucks ’14-Up.