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
Kenwood 6.5" Front Factory Car Speaker Replacement For 2003-2007 Honda Accord 613815742623 | eBay
Honda Civic 2006-2012 JVC 6.5" 17cm 2-Way Coaxial Front Door Speakers 600W | eBay
FA Honda Civic Pioneer Upgrade
Amazon.com: Ai HSB524 2006-2012 Honda Speaker Adaptor : Electronics
Amazon.com: Scosche Compatible with Select 2001 to 2002 Honda Civic & 2003 to 2007 Honda Accord 5.25" - 6.5" Speaker Adapters (1 Pair) SAH6 : Everything Else