Space-Saving 6×9 Rear Speaker Boxes for ’78-’82 Corvette

Here is my version of the rear speaker boxes that Justin78-L-82 posted. I
modified the way they mount to the car since I didn’t previously have
rear speakers, and didn’t have the mounting hardware that came with
them.
The full plan with pictures and measurements is
at:
http://members.cox.net/~mfouchi/vette/speakers/boxplans.htm