Help & Support Center

Is this product safe to use as a fuel stabilizer? No. This product is designed as a fuel system cleaner, not a long-term fuel stabilizer. For fuel storage,...

Should this product be added before or after an oil change? This product is added to the fuel tank and is not related to engine oil service. It does not ge...

How many octane levels does this product increase? Octane Booster can raise octane levels as stated on the label. Actual results vary depending on base fuel...

Where can this product be purchased? Gumout Octane Booster is available at major automotive retailers and online marketplaces, including Amazon and auto pa...

Can this product be used with unleaded, non-ethanol 87-octane fuel in two-cycle engines? No. This product is formulated for automotive gasoline engines and...

How much octane booster is needed per gallon to increase fuel from 87 to 90 octane? Octane increase claims are based on standardized testing and dosage ins...