Amsoil P.i performance improver

P.i. improves fuel mileage an average of 2.3% and up to 5.7%. Reduces emissions such as hydrocarbons (HC) up to 15%, carbon monoxide (CO) up to 26% and nitrous oxides (NOx) up to 17%. Restores power and performance. Reduces the need for costly higher octane fuel. (API) Improves fuel mileage an average of 2.3% and up to 5.7% Reduced emissions (hydrocarbons (HC) up to 15%; carbon monoxide (CO) up to 26%, nitrous oxides (NOx) up to 17%) Restored power and performance Reduced need for costly higher octane fuel Reduced noise from carbon rap and pre-ignition Better drivability Smoother operation