Don't know but the concept should work. As long as you can prove it lowers the temperature, then you are good. Colder is better. DEI is a good company, in fact they asked me to be a sponsor last year but I had no need to put this on my car prior to winter. Maybe I will look into it this spring.
How long do you think the cooling effect lasts? I know that its like another NO2 tank, just with CO2... So it can't last too long. But I have read about t