First off, the reason I am cautious about mentioning their use is because of the frequent arguments revolving around them. I do not want to start a pissing match over their use in my thread.
Second, I have seen very little gain with them, certainly less than you claim on your site. Their appears to be a slight gain (possibly up to 1mpg at most).
You need to be careful about using such rude language in your posts. Considering the fact that you are the one marketing these, you need to be very careful how you come across when you post such statements on someone else's thread.
Matt
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