Filter Filters CK Pickup Remove All Filters Price $100-$500 (6) Condition New (6) Brand Harmony Audio (6) Make Chevy (6) Compatible with 1988-1998 Chevy CK Silverado Extended Cab Truck Harmony F104... $399.99 Compatible with 1988-1998 Chevy CK Silverado Ext Truck Harmony A102 Dual 10"... $469.99 Compatible with 1988-1998 Chevy CK Silverado Extended Cab Truck Harmony R104... $303.99 Compatible with 1988-1998 Chevy CK Silverado Extended Cab Truck Harmony A102... $394.99 Compatible with 1988-1998 Chevy CK Silverado Ext Truck Harmony F104 Dual 10"... $474.99