Question: C4 Ram Air Intake

[Scrrem]

A few years ago, there was a company making a C4 ram air kit which drew air in via the license plate hole. I can't seem to find it anymore. Was it a piece of junk and they just quit making it? Looking for options for a ram air system.
Thanks
Scrrem

 

[topless82vette]

ebay has them but expensive. I think 400 or so for them