Kenwood KFC-1665 300-Watt 6.5-Inch 2-Way Sport Series Flush Mount Coaxial Speakers, Paper Tweeters, Speaker Connector And Speaker Adapter 6" to 6 -3/4" for Select Toyota/Lexus/Sci - Walmart.com
Metra 82-9101 (met-829101) 6" to 6 3/4" Speaker Adapter for
XTC 6-3/4" Speaker Baffles (Slim-line: 3-3/8" depth) Protect your speakers at Crutchfield
SPH-170 6 3/4 Bas / Mellemtone
Amazon.com: Rockford Fosgate R169X3 Prime 6” x 9” 3-Way Full-Range Coaxial Speaker (Pair) : Electronics
Metra 82-8148 6" to 6-3/4" Speaker Adapter For 1998-Up Toyota/Lexus/Scion | eBay
Focal Polyglass 165 VR 6-3/4" component speaker system at Crutchfield
Amazon.com: Metra 82-9601 6-1/2" to 6-3/4" Speaker Adapter for 1998-2013 Harley Davidson Touring Models,Black : Electronics
Amazon.com: Metra Electronics 82-8148 6" to 6-3/4" Speaker Adapter for Select Toyota/Lexus/Scion 1998-Up Vehicles, Black : Electronics
Kicker 46CSC674 CS Series 6-3/4" 2-way car speakers at Crutchfield
SPH-175HQ 6 3/4 120 Watt High-End Bas / mellemtone
KICKER 46CSC674 CS Series 100 Watt 6.75 Inch Coaxial Car Audio Speakers (Pair) - Walmart.com
KICKER CS Series 6-3/4" 2-Way Car Speakers with Polypropylene Cones (Pair) Yellow/Black 46CSC674 - Best Buy