Four 6.5" Skar Audio EVL-65 Car Speaker Box Ported or Sealed – AK Audio
Amazon.com: 2X Audiotek CA-65CB 6.5- Inch Vented Speaker Box Enclosure Carpet Texture Terminal Cup Product for Great Audio Medium-Density Fibreboard Sturdy Construction -Pair : Electronics
Rockville RSV65 Single 6.5" Vented MDF Subwoofer Box Sub Enclosure 0.89 cu ft. - Rockville Audio
Gately Audio - 4 x 6.5” GM Cat Eye Standard Cab 99-05 Behind the Seat