Skip to Main Content
Shop by Vehicle

Customer Ratings & Reviews

AMSOIL P.i.® Performance Improver Gasoline Additive

Product code : APICN-EA

4.9 star rating Read 1,150 reviews

Customer Rating

4.9

91% would recommend

  • 5 1066
  • 4 47
  • 3 19
  • 2 9
  • 1 9

AMSOIL P.i.® Performance Improver Gasoline Additive

4.9 star rating Based on 1,150 reviews
  • 5 star rating
    Works well
    By  MICHAEL,  a  Verified Buyer  from  FORT WORTH  on  December 25, 2021
    I have used this on and off for a while and it seems to do the job.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    P.I.
    By  MATT,  a  Verified Buyer  from  PA  on  December 20, 2021
    I use every 4k miles as recommended. Never a fuel system issue. Works great.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great Product !
    By  Bill De,  a  Verified Buyer  from  Tampa Florida  on  December 16, 2021
    It cleans thru and thru deep, you can fell the increase in power and performance plus the increase in Gas millage
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Fuel cleaner
    By  DAVE,  a  Verified Buyer  from  Coatesville,Pa  on  December 14, 2021
    I use this product every 4000 miles to make sure I don’t have any injector problems. This product cleans intake valves
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    works with everything
    By  scout,  a  Verified Buyer  from  Royal Oaks, CA  on  December 13, 2021
    I use this product in ALL engines: mower, chippers, chainsaws plus all vehicles. Engines thrive.
    Was this review helpful?
  • 5 star rating
    Gas mpg
    By  MAURICE,  a  Verified Buyer  from  Truck  on  December 12, 2021
    My truck gets better gas mileage
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Restores power
    By  DALE,  a  Verified Buyer  on  December 12, 2021
    Thought my car needed plugs. Stuck a bottle in the tank and got rid of my hesitation and restored lost power and mpg’s
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Go Juice
    By  GARY,  a  Verified Buyer  from  California   on  December 05, 2021
    I’ve used this product in all my vehicles, Prius, G35, and Frontier pick up and the engines all respond favorably. Good routine maintenance to perform to keep the injectors and the top end of the motors clean too.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great quality for the cost!
    By  EDWARD,  a  Verified Buyer  from  Phoenix AZ  on  December 03, 2021
    PI (Performance improver, is among the best, if not the best gasoline additive for the valves and piston heads!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great
    By  HECTOR,  a  Verified Buyer  on  December 02, 2021
    Awesome make a big difference
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Works well!
    By  PHILIP,  a  Verified Buyer  from  Kansas   on  December 02, 2021
    Definitely offsets what the government considers gas these days! Boost in fuel mileage and smoother running!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great product
    By  JJ,  a  Verified Buyer  from  Pennsylvania  on  November 25, 2021
    Great product
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 4 star rating
    PI Additif Excellent
    By  Houle,  a  Verified Buyer  from  Baie-du-Febvre  on  November 23, 2021
    bonne recommandation
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Works great!
    By  Derrick,  a  Verified Buyer  from  Kansas  on  November 21, 2021
    Works great! Cleans fuel system very well
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    preformance improver
    By  DENNIS,  a  Verified Buyer  on  November 20, 2021
    I noticed my Mazda cx7 had more pep and smoother running after just the first treatment. As a bonus my fuel mileage also increase.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    I feel a more powerful motor
    By  NESTOR,  a  Verified Buyer  from  California  on  November 18, 2021
    It seems to help and gives me more mpg
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Works as expected
    By  RAY,  a  Verified Buyer  from  Minnesota   on  November 16, 2021
    Works and provides results. Helped my trucks and many other vehicles I own get better performance and definitely helps clean my fuel system.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Easy to use
    By  MARTIN,  a  Verified Buyer  from  Dublin, OH  on  November 15, 2021
    Jury is out on whether this product is effective. I add a bottle when I change the oil in our cars each year, and we generally only put about 5-6k miles on our cars each year, so it's close to the recommended 4k miles. Been using this product for about two years and all the cars run well, so that's a good sign.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Love it
    By  LARRY,  a  Verified Buyer  from  Saskatoon, Saskatchewan  on  November 10, 2021
    I have used this product a long time and I feel it works great
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    It really works
    By  GRACIANO,  a  Verified Buyer  on  November 09, 2021
    I used other fuel additives in the past, but this stuff works better than anticipated.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?