But performance wise...it does work. 4.0 out of 5 stars Will eat your paint in seconds! I can notice a bit more power when I add 16-32 oz to a full tank of 93 octane gas. I use this to make sure I'm really getting 93 octane (or higher) for my blown BBC.

Do octane boosters actually work?

Ideally, octane boosters are used every time you fill up your vehicle. Octane boosters work over time to thoroughly affect your engine and provide you with maximum performance. ... Has the capability of raising fuel octane level to 102. Highly effective and will not harm your catalytic converters or your O2 sensors.

Can octane booster damage an engine?

A lower octane fuel than what is recommended can damage the engine as it causes 'knocks' or irregular ignition. ... High octane fuel and boosters have negligible or absolutely no effect on low performance road-going cars. A manufacturer recommends a minimum octane fuel rating and these products will not make a difference.