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• Restores up to 14% horsepower1
• Reduces need for costly higher-octane fuel
• Reduces noise from carbon rap and pre-ignition
• Controls pre-ignition "knock"
1Based on third-party testing in a 2016 Chevrolet* Silverado* 1500, 5.3L V-8 GDI with 100,616 miles, using one tank treated with AMSOIL P.i. Actual results may vary.
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