Focal ES 165KX2 K2 Power Series 6-3/4" component speaker system (2-ohm) | Stereo West Autotoys
Alpine SPS-600C Type-S 6-3/4" component speaker system — fits in 6-1/2" or 6 -3/4" openings at Crutchfield
Rockford Fosgate R1675-S Prime Series 6-3/4" Component Speaker System – roadauthority
Alpine HDZ-653 Status Hi-Res 6.5” 3-Way Component Speaker Set with Alpine HDZ-65C Status Series Hi-Res 6.5” 2-Way Component Speaker Set - Creative Audio