Originally Posted by ChrisSlicks

Don't use any of those snake oil engine treatments! At best they don't work, at worst they could accumulate in the wrong place and damage your engine and void your warranty.

To point out how bad this particular product is, they were banned from selling the USA due to unverifiable claims. Usually you can sell any kind of snake oil here! Heck take some multi-vitamins and relabel as "male enhancement" pills and you can make millions!