Filter Filters CK Pickup Remove All Filters Price $100-$500 (18) Condition New (18) Brand Harmony Audio (18) Make Chevy (18) 1988-1998 Chevy CK Silverado Ext Truck Harmony R124 Single 12 Sub Box & CXA400.1 $286.99 1988-1998 Chevy CK Silverado Ext Truck Harmony F124 Single 12 Sub Box & CXA400.1 $310.99 1988-1998 Chevy CK Silverado Ext Truck Harmony F104 Single 10 Sub Box & CXA400.1 $294.99 1988-1998 Chevy CK Silverado Ext Truck Harmony R124 Single 12 Sub Box Enclosure $146.99 1988-1998 Chevy CK Silverado Ext Truck Harmony F124 Single 12 Sub Box Enclosure $170.99 1988-1998 Chevy CK Silverado Ext Truck Harmony R104 Single 10 Sub Box Enclosure $135.99 Compatible with 1988-1998 Chevy CK Silverado Extended Truck Harmony F124... $270.99 1988-1998 Chevy CK Silverado Ext Truck Harmony F104 Single 10 Sub Box Enclosure $154.99 1988-1998 Chevy CK Silverado Ext Truck Harmony A122 Single 12 Sub Box & CXA800.1 $396.99 1988-1998 Chevy CK Silverado Ext Truck Harmony R104 Single 10 Sub Box & CXA400.1 $281.99 1988-1998 Chevy CK Silverado Ext Truck Harmony A122 Single 12 Sub Box Enclosure $160.99 Compatible with 1988-1998 Chevy CK Silverado Extended Truck Harmony A122... $310.99 Compatible with 1988-1998 Chevy CK Silverado Extended Truck Harmony F104... $254.99 Compatible with 1988-1998 Chevy CK Silverado Extended Truck Harmony A102... $310.99 Compatible with 1988-1998 Chevy CK Silverado Extended Truck Harmony R124... $246.99 Compatible with 1988-1998 Chevy CK Silverado Extended Truck Harmony R104... $236.99 1988-1998 Chevy CK Silverado Ext Truck Harmony A102 Single 10 Sub Box Enclosure $149.99 Compatible with 1988-1998 Chevy CK Silverado Ext Truck Harmony A102 Single 10... $389.99