Silverado Sierra 07-18 Crew Cab Subwoofer Box Enclosure Single Woofer 1x12"
WOOFER CUT OUTS: 11.3". CREW CAB GM TRUCKS 07-18 WITH LARGE REAR DOORS. -- Fits Under Rear Seat Passenger Side--. Length: 20". Width: 14.25". WOOD TYPE: High Quality MDF MADE IN USA.