Good idea. Also, ask him if there is a money back guarantee. Tell him that if you get his product, that you will do dyno runs of before and after. If there isn't any performance gains, you want your money back.Originally posted by Intrepid99:
I'm gonna e-mail the guy selling them when I get home, and invite him over here to the forums to battle or skepticism (spelling??). If he is able to prove his product, he would probably get a lot of business from this site, so it would be worth his time, unless he is a fraud....