Amazon.com: Harmony Audio Compatible with 2008-2012 Chevy Malibu HA-R65 6.5" New Front Door Replacement 300W Speakers and HA-823006 6.5" 6.75" Speakers Adapter : Electronics
Amazon.com: Rockford Fosgate R1675-S Prime 6.75” 2-Way Component Speaker System : Electronics
Amazon.com: Rockford Fosgate T1675-S Power 6.75" Series Component Speaker System : Electronics
Amazon.com: Harmony Audio Compatible with 2006-12 Chevy HHR HA-R65 6.5" New Front Door Replacement 300W Speakers with HA-823006 6.5" 6.75" Speakers Adapter and HA-724568 Factory Speaker Replacement Harness : Electronics