AMSOIL P.i Performance Improver Gasoline Additive

AMSOIL P.i Performance Improver Gasoline Additive

Regular price $20.49 Sale

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)

  • Maximum deposit clean up
  • Removes fuel injector deposits, great for direct-injection vehicles
  • Testing shows P.i restores GDI fuel injectors to a 100% flow rate after one tank of fuel
  • Fights intake valve deposits and reduces valve sticking
  • Controls pre-ignition knock
  • Reduces noise from carbon rap and pre-ignition
  • P/N: CPICN (355ml)


  • Use in gasoline cars and trucks
  • Treats up to 30 gallons (113L)
  • Use once per service interval or 6437 km
  • Do not use with diesel, E85, or two-stroke engines

    *AMSOIL Products are special order and may not always be in stock, please contact us before ordering to ensure availability or confirm ETA.