Blended with MMT and performance enhancing Powertane, along with nitro methane and unique lubricants specially developed for high performance engines Improves gas mileage, eliminates knocks, pings and hesitation Protects against carbon deposits in the fuel injectors and combustion chamber

Gumout's High Mileage Fuel Injector Cleaner is specially formulated to remove carbon deposits from engines with over 75,000 miles for restored engine performance and fuel economy. Oxygen sensor safe and safe for use in turbocharged and supercharged vehicles. Will not void OEM/manufacturer’s warranty. Add entire bo...

All engines are calibrated to run on fuel with a specific octane rating. If the octane is too low, fuel can ignite early, causing knocks and pings. In vehicles with knock sensors, lower octane gas can retard timing, reducing performance and fuel economy. Gumout® Octane Booster raises the octane level in gas to resto...

Even high-quality fuel can leave behind carbon deposits and corrosion from ethanol and water. Gumout® Regane® Complete Fuel System Cleaner conditions fuel against corrosion to help extend the life of key engine parts, while using P.E.A. (polyetheramine) to effectively remove deposits other products can’t, for maximi...

Carbon buildup across the fuel system can reduce the efficiency of engine combustion. Piston and cylinder wear at start up can harm parts and cause mileage robbing friction. Gumout® Fuel System Treatment removes carbon deposits from engine parts to maximize engine performance and fuel economy. Plus it lubricates th...

MULTI-SYSTEM TUNE UP All engines develop performance issues over time, whether they're gas, diesel or ethanol. Carbon deposits reduce performance and fuel economy. Water and ethanol corrode key engine parts. Gumout® Multi-System Tune-Up is the most advanced treatment for all types of engines, from cars to lawn mowe...

Product details Gumout's All-In-One Complete Fuel System Cleaner uses P.E.A. (polyether amine) to effectively remove carbon deposits for improved performance across the fuel system. Engine performance is affected by everything from carbon deposits and corrosion to heat and friction. All-In-One also hel...