Check the listing for details. GMC Sierra Regular Cab / Single Cab 12" Dual Sub Box Subwoofer Enclosure. Condition: New. Listed at 285.00 USD. DELIVERED BETWEEN 5 - 7 DAYS DOES NOT FIT OLD MODEL SOLO BARIC BLACK 12" DUAL SEALED SOLO-BARIC L7T SUB BOX, FITS GMC SIERRA REGULAR-CAB 2007-2019 SPECIFICATIONS:-CUTOUT DIAMETER: 11 1/8"-TOTAL AIR VOLUME: 1.56 CUBIC FT.-2 INDIVIDUAL CHAMBERS-VOLUME PER SUBWOOFER: 0.78 CUBIC FT.-WEIGHT: 37 LBS.-MOUNTING DEPTH: 7 7/8" DIMENSIONS:-HEIGHT: 13 3/4”-LENGTH: 53 1/4"-TOP DEPTH: 5 3/8"-BOTTOM DEPTH: 9 3/8" CONSTRUCTION:-5/8" MDF WOOD-GLUE-STAPLES + MAINLY SEALED WITH HIGH QUALITY SILICONE + INSTALLATION:-FITS BEHIND SEAT-FORWARD FIRING-NO NEED TO REMOVE CENTER CONSOLE DURING INSTALLATION-WILL NOT FIT ALL TRUCKS, PLEASE CHECK THE DIMENSIONSNOT ALL SUBS WILL FIT DUE TO THE CUTOUT DIAMETER OR MOUNTING DEPTH SO PLEASE CHECK THE DIMENSIONS TO MAKE SURE THIS BOX SUITS YOUR SUBS