Chevy Silverado 1999-06 Ext Cab Truck Dual 12 Subwoofer Enclosure Sub Box Custom

Air Space: 0.95 Cubic Feet Mounting Depth: 5-3/4" Sealed Enclosure Dimensions: Width 51" x Front Height 9-3/4" x Rear Height 7-1/4" x Depth 13-1/2" Constructed with High Quality MDF High Quality Black Carpet Enclosure installs under rear seat down firingThis box fits: 1999 - 2006 Chevy Silverado Extended Cab 1500, 2500, & 3500