Filter Filters Cadillac CTS Remove All Filters Price $50-$100 (1) $100-$500 (2) Condition New (2) Used (1) Brand Harmony Audio (1) Kicker (1) OEM Parts (1) Compatible with 2006 Cadillac CTS Factory Stereo 6 Disc Changer CD Player... $119.99 Cadillac CTS 2003-2016 Factory Speaker Replacement Harmony (2) R5 Package New $78.99 Cadillac CTS 2003-2007 Factory Speaker Replacement Kicker (2) DSC5 Package New $139.98