Chevrolet Tahoe SUV Behind 3rd Row Seat Sub Box Subwoofer Enclosure 3 12"Box will fit all Tahoes, Yukon and Escalade Can have great sound without sacrificing too much space Hole cutout: 11. 125" Flushmount diameter: 13" Speaker mounting depth of 8. 5" (8 1 2") Box can also be made for 3 8's or 10's Screw on speaker terminals included Ported and tuned to 36 hertz There is about 3. 5 cuft of total airspace Colors, hole cutout, tuning, made sealed, and flushmount diameter can be customized upon request Canada and