You know how on the old muscle cars how the rear window went down even on a coupe hard top? Do you know how on the new Mustangs how the convertible rear quarters go down? Can you put that mechanism onto the coupe and make the rear quarters go down for a cool retro look? If you could make any of that out...congrats! lol

 

Rip open the panel. Insert a regulator, motor, linkages, and wiring.

"Custom Work"

 

that's what I figured...