MTX TTDDC07FB10U Custom Toyota Tundra Double Cab Unloaded 10" Subwoofer Enclosure Vehicle Specific CUSTOM Sub Box Fits 2007-2010 Toyota Tundra Double Cab (Must have 4 FULL doors) Unloaded 10" Sub Enclosure Fits Single 10" Shallow Mount Subwoofer Includes all necessary mounting hardware and instructions. Location: Under rear seat, no loss of leg room.