If it sounds too good to be true....
Look at the claims they make:
Improves combustion and increases engine power
Reduces fuel consumption
Reduces levels of toxic emissions
Stablizes light and heavy oils
Has a detergent and antioxidant effect
Reduces corrosion and increases the life of your engine
Totally disperses water in fuel
Improves engine starting and avoids pre-ignition
Improves the stabilization, lubricity and detergency of the fuel
Works with all classes of gasoline and diesel fuel
Xp3 is a combination of synthetic resins and organic compounds. Does not contain any aromatics or naphtha
100% biodegradable
Improves the pour point
Avoids fuel freezing during winter
2 oz of this stuff is supposed to do all that to a tank of gas?
I'll not say it won't/doesn't work until I see plenty of data, but I'm incredibly skeptical of this stuff.
Anyone else notice how it's funny that all these gas saving devices or additives start popping up when gas prices get high? Anyone remember the 'run your car on water' BS that was around last time gas prices got high?