This kit looks like it was made with parts from the clearance rack at Kragen. How can you charge so much without some hard evidence that it works.
http://www.hydrogencarsnow.com/hydro...ators-cars.htm
This one looks a little bit more professional but just seems like one more thing to worry about. I am just so tired of people tricking you into doing something.
http://www.greencarcongress.com/2005/11/hydrogenenhance.html