ASC Toyota Tacoma Double Cab Truck 2005-2014 Dual 10" Subwoofer Custom Fit Sub Box Speaker Enclosure Dimensions: Width 49" x Top Depth 3-1/2" x Bottom Depth 7-1/2" x Height 18-1/2" Install Location: Behind Rear Seat Install Notes: Remove plastic trim and brackets on cab wall so box can slide back against wall. Mounting Depth: 5 Inches Air Space: 0.75 Cubic Feet