Q-Logic "Customs" Ford Mustang 2005-09 Subwoofer Box Enclosure C1-MST112 Fits the Following Vehicles and Years:FORD Mustang 2005, 2006, 2007, 2008, 2009 Model: QL-C1MST112 Will not fit convertible models Volume - 1 Cubic foot Mounting Depth w Magnet up to 7" Diameter = 10". w 8" Diameter = 6 1/8"