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Royal Purple Max-Clean Fuel System Cleaner - 22oz Can

Royal Purple Max-Clean Fuel System Cleaner and Stabilizer

  • Formulated for use in all engines; gas, diesel, 2 & 4 cycle motors
  • 3-in-1 fuel additive keeps new engines clean and improves vehicle's performance
  • Improves fuel economy an average of 3.2 percent
  • Increases horsepower an average of 2.6 percent
  • Reduces hydrocarbon, NOx and CO emissions (on average 12, 13 and 18-percent respectively)
  • Prevents rough idle, hesitation and stalling

Royal Purple’s Max-Clean is a state-of-the-art synthetic fuel system cleaner that deeply penetrates and cleans injectors, carburetors, intake valves and combustion chambers to restore fuel economy and reduce emissions.

NAPA Know How writers recently cited twice-annual use of Max-Clean in gas tanks as one of the “10 Overlooked Services that can Extend the Life of Your Vehicle.”

Highly versatile, Max-Clean is EPA / CARB compliant and safe for use in gasoline and diesel engines including all ethanol blends or biofuel. Max-Clean is great for use in in both 4-cycle and 2-cycle engines, and will not harm specialized emissions equipment.

Fuel system cleaner is worth it. Multiple product fleet tests were conducted on various makes and models of vehicles. Royal Purple found that after as little as one treatment, Max-Clean can provide significant advantages in engine performance and fuel economy.

Max-Clean is a state-of-the-art fuel system treatment that cleans injectors, restores fuel economy and reduces both engine buildup and tailpipe emissions. Max-Clean’s proprietary technology targets both the intake system and combustion chamber and is effective on the entire spectrum of engines on the road, whether they are new or old, gasoline or diesel, naturally aspirated, turbocharged or supercharged. After multiple product fleet tests were conducted on various makes and models of vehicles, Royal Purple found that after, as little as one Max-Clean treatment can improve fuel economy an average of 3.2 percent and increase horsepower an average of 2.6 percent. Reduces Hydrocarbon, NOx and CO emissions (on average 12, 13 and 18-percent respectively). Prevents rough idle, hesitation and stalling. Prevents premature spark plug fouling. Reduces deposit-related engine knocking and pinging. Deposit build-up is a natural consequence of fuel combustion, unfortunately these deposits can have a significant effect on the performance and reliability of your engine. With Max-Clean, Royal Purple has developed a product that in most cases can bring engine surfaces back to like-new clean, restoring once-lost fuel economy and performance.

Performance Advantages
Improve fuel economy an average of 3.2 percent and horsepower an average of 2.6 percent. Reduce hydrocarbon, nitrogen oxide (NOx) and carbon monoxide (CO) emissions (on average 12, 13 and 18 percent respectively). Prevent rough idle, hesitation, stalling and premature spark plug fouling. Inhibit corrosion and oxidation.

Additionally, Max-Cleans helps to reduce deposit-related engine knocking and pinging. It also stabilizes fuel during off-season and storage.

Recommended Treat Rate and Usage
10,000 mile interval - 20 oz. can.

Pour entire contents of 20 oz. can into a nearly empty tank and refuel. One (1) can treats up to 20 gallons. For tank sizes outside of this range, use one (1) ounce per gallon. In 2-cycle engines, use one (1) ounce per two (2) gallons.

Royal Purple part number: 11722

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