Filter Filters Silverado Remove All Filters Price $100-$500 (107) $500 and above (9) Condition New (116) Brand Harmony Audio (116) Make Chevy (116) 2007-2013 Chevy Silverado Ext Cab Truck Harmony A122 Single 12 Sub Box Enclosure $160.99 2007-2013 Chevy Silverado Ext Cab Truck Harmony A122 Dual 12" Sub Box Enclosure $245.99 01-06 Chevy Silverado Non-HD Crew Truck Harmony A122 Dual 12" Sub Box Enclosure $255.99 1999-2006 Chevy Silverado Ext Cab Truck Harmony F124 Dual 12" Sub Box Enclosure $285.99 Compatible with 2007-2013 Chevy Silverado Crew Cab Truck Harmony A102 Dual... $499.99 Compatible with 2007-2013 Chevy Silverado Extended Cab Truck Harmony F104... $395.99 2007-2013 Chevy Silverado Ext Cab Truck Harmony R104 Dual 10" Sub Box & CXA400.1 $344.99 1999-2006 Chevy Silverado Ext Cab Truck Harmony F124 Single 12 Sub Box Enclosure $165.99 2007-2013 Chevy Silverado Crew Cab Truck Harmony R104 Dual 10" Sub Box Enclosure $223.99 01-06 Chevy Silverado Non-HD Crew Truck Harmony F104 Dual 10" Sub Box Enclosure $239.99 Compatible with 2007-2013 Chevy Silverado Crew Cab Truck Harmony F104 Dual... $404.99 01-06 Chevy Silverado Non-HD Crew Truck Harmony A102 Dual 10" Sub Box Enclosure $249.99 1999-2006 Chevy Silverado Ext Cab Truck Harmony A122 Dual 12" Sub Box Enclosure $275.99 2007-2013 Chevy Silverado Crew Cab Truck Harmony A102 Dual 10" Sub Box Enclosure $269.99 01-06 Chevy Silverado Non-HD Crew Truck Harmony R124 Dual 12" Sub Box Enclosure $221.99 2007-2013 Chevy Silverado Ext Cab Truck Harmony R124 Dual 12" Sub Box Enclosure $217.99 2007-2013 Chevy Silverado Ext Cab Truck Harmony A102 Dual 10" Sub Box Enclosure $235.99 1999-2006 Chevy Silverado Ext Cab Truck Harmony A102 Single 10 Sub Box Enclosure $159.99 2007-2013 Chevy Silverado Ext Cab Truck Harmony R124 Single 12 Sub Box Enclosure $145.99 1999-2006 Chevy Silverado Ext Cab Truck Harmony R124 Dual 12" Sub Box Enclosure $247.99 12345