Filter Filters F-150 Remove All Filters Price $100-$500 (71) $500 and above (6) Condition New (77) Brand Harmony Audio (77) Make Ford (77) 2000-2003 Ford F-150 Ext Super Cab Truck Harmony R104 Dual 10" Sub Box Enclosure $235.99 2000-2003 Ford F-150 Ext Super Cab Truck Harmony F104 Dual 10" Sub Box Enclosure $259.99 Compatible with 2000-2003 Ford F-150 Extended / Super Super Cab Truck Harmony... $425.99 Compatible with 1997-1999 Ford F-150 Super Ext Cab Truck Harmony F104 Dual... $489.99 2000-2003 Ford F-150 Ext Super Cab Truck Harmony R104 Dual 10" Sub Box &... $376.99 2009-2015 Ford F-150 Super Crew Truck Harmony A122 Dual 12" Sub Box Enclosure $250.99 2009-2015 Ford F-150 Super Crew Truck Harmony R124 Dual 12" Sub Box Enclosure $226.99 Compatible with 1997-1999 Ford F-150 Super Ext Cab Truck Harmony F104 Dual... $405.99 2009-2015 Ford F-150 Super Crew Truck Harmony R104 Dual 10" Sub Box Enclosure $213.99 2009-2014 Ford F-150 Ext Super Cab Truck Harmony F104 Dual 10" Sub Box Enclosure $244.99 Compatible with 2001-2003 Ford F-150 Super Crew Truck Harmony F104 Dual 10"... $399.99 2009-2015 Ford F-150 Super Crew Truck Harmony F104 Dual 10" Sub Box Enclosure $234.99 2004-2008 Ford F-150 Super Crew Truck Harmony F104 Dual 10" Sub Box Enclosure $249.95 2004-2008 Ford F-150 Ext Super Cab Truck Harmony F104 Dual 10" Sub Box Enclosure $225.99 2001-2003 Ford F-150 Super Crew Truck Harmony A122 Dual 12" Sub Box Enclosure $335.99 2004-2008 Ford F-150 Super Crew Truck Harmony R104 Dual 10" Sub Box Enclosure $239.99 2001-2003 Ford F-150 Super Crew Truck Harmony R104 Dual 10" Sub Box & CXA400.1 $348.99 2004-2008 Ford F-150 Ext Super Cab Truck Harmony R104 Dual 10" Sub Box Enclosure $239.99 2001-2003 Ford F-150 Super Crew Truck Harmony A102 Dual 10" Sub Box Enclosure $239.99 2000-2003 Ford F-150 Ext Super Cab Truck Harmony F124 Dual 12" Sub Box Enclosure $289.99 2001-2003 Ford F-150 Super Crew Truck Harmony R104 Dual 10" Sub Box Enclosure $218.99 Compatible with 2004-2006 Ford F-150 Super Crew Truck Harmony R104 Dual 10"... $324.99 2001-2003 Ford F-150 Super Crew Truck Harmony F104 Dual 10" Sub Box Enclosure $229.99 2000-2003 Ford F-150 Ext Super Cab Truck Harmony R124 Dual 12" Sub Box Enclosure $246.99 1234