Amazon.com: RED WOLF Car Front Rear Door Speaker Adapter 6.5"-6.75" Spacer Rings for 2008-2020 Honda Civic Accord CRV, Acura 2005-2019 Aftermarket Speaker Mount 1 Pair : Electronics
Dual 8" (D8) Speaker Pods for 2007-2009 GMC Sierra - Custom Speaker Pods
SAHC634 - Honda Civic Speaker Adapter | Scosche
Amazon.com: Harmony Audio Bundle Compatible with 2006-2011 Honda Civic (2) HA-R65 6.5" New Factory Speaker Replacement Upgrade Package 300W Speakers with HA-827805 Speakers Adapter Kit : Electronics
Amazon.com: Harmony Audio Compatible with 2006-2007 Toyota Highlander (2) HA-R65 New Factory Speaker Replacement Upgrade Package 300W Speakers & Grills with Speakers Adapter Kit : Electronics