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 1,136 reviews

Customer Rating

4.9

91% would recommend

  • 5 1052
  • 4 47
  • 3 19
  • 2 9
  • 1 9

AMSOIL P.i.® Performance Improver Gasoline Additive

4.9 star rating Based on 1,136 reviews
  • 5 star rating
    P I Performance
    By  GREG JESSE,  a  Verified Buyer  from  Oak Ridge Tn  on  July 30, 2023
    I have used this product in my 4liter Toyota 4Runner.. it cleans the injectors and keeps her running great. I have 178230 miles on her now.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Fast delivery!
    By  Aaron,  a  Verified Buyer  from  OK  on  July 26, 2023
    Makes for some added fuel cleaner insurance!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Noticeable performance
    By  WAYNE,  a  Verified Buyer  from  Pennsylvania   on  July 23, 2023
    Also used in 09 pilot . Improved performance and fuel mileage
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    300,000 k m no problems
    By  MICHAEL,  a  Verified Buyer  from  canada  on  July 22, 2023
    fuel efficiency and engine conditioning.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 3 star rating
    Not compatible with the Ford gas cap less setup
    By  GREGORY,  a  Verified Buyer  on  July 22, 2023
    Though the description states it works without using the funnel you need the funnel, I spilled a good bit before realizing I needed the funnel, Amsoil, please remove the "funnel not need description".
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    new to me
    By  MERV,  a  Verified Buyer  from  cupar , sk  on  July 11, 2023
    new product to me .. interested in finding results
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    NA
    By  LOUIS,  a  Verified Buyer  on  July 09, 2023
    NA
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Cheap insurance
    By  CORY,  a  Verified Buyer  from  Winnipeg   on  July 05, 2023
    Just dumped it in the tanks to clean it up cars start easy and run well so must work
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Go-Go Juice
    By  STAN,  a  Verified Buyer  from  Florida  on  July 04, 2023
    Great product showed positive results.
    Was this review helpful?
  • 5 star rating
    Does the job!
    By  JAMES M,  a  Verified Buyer  from  63130  on  June 25, 2023
    Used PI and my gas mileage got better immediately. Now I use it twice a year and never had any problems and always got better gas mileage than what the car was suppose to get.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Good
    By  J GUADALUPE,  a  Verified Buyer  from  US-TX  on  June 25, 2023
    Very good
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Smooth
    By  Les,  a  Verified Buyer  from  NORTH CAROLINA  on  June 23, 2023
    Added this with my full tank bike seams to run much smoother. Highly recommended
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 4 star rating
    Pi additive
    By  SHANE,  a  Verified Buyer  on  June 21, 2023
    First tank with this, still assessing
    Was this review helpful?
  • 5 star rating
    Excellent
    By  BRUCE,  a  Verified Buyer  on  June 20, 2023
    Have used it twice now and I'm getting one more gallon per mile.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Gas treatment
    By  JOSEPH,  a  Verified Buyer  from  Montana  on  June 19, 2023
    First time to use this product, to soon to tell.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Performance Improvement
    By  ANDREW,  a  Verified Buyer  from  Arnprior, Ontario, Canada  on  June 19, 2023
    There was a noticeable performance improvement in my old Honda CRV after using this additive. Plan to continue using it.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Another amazing product
    By  DARREN,  a  Verified Buyer  from  Burlington   on  June 18, 2023
    Cars run better than ever now. Fuel consumption has decreased as expected.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Best
    By  Pinne,  a  Verified Buyer  from  Canada   on  June 17, 2023
    Excellent
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great quality product
    By  GREGORY,  a  Verified Buyer  from  Newbern, TN  on  June 13, 2023
    It gave my vehicles a little better fuel mileage. I believe that it is a great product. I use this after every oil change. I keep my throttle bodies clean and I also put a few ounces of Marvel Mystery Oil in my fuel tank every other fill up. The combination of these 3 I believe will keep my cars in good shape for many years.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Additive
    By  JOEL,  a  Verified Buyer  from  Cloverdale Indiana  on  June 11, 2023
    Always a good idea to treat your fuel system as often as possible, todays fuel is dirty . Great product!!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?