You can search eBay for door poppers by searching: Door Popper or Shaved Door kit
You can also contact Mark for door poppers at :
319-988-4046
or e-mail him at:
gearheadworld@mchsi.com
The doors are opened by a sort of gas shock or "popper" that is mounted between the door and the car because there are no handles on the door. When a button on a keychain is activated, the popper is triggered and the doors are opened as shown in the video.
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This video talks about the shaved door/door popper