Shop by Vehicle

Find AMSOIL Near You

Customer Ratings & Reviews

AMSOIL P.i.® Performance Improver Gasoline Additive

Product code : APICN-EA

4.9 Read 1,145 reviews

Customer Rating

4.9

91% would recommend

5 1061
4 47
3 19
2 9
1 9

$18.99

Retail Price

Package Size

Unit Of Measure

Columbus - 43215

You are already subscribed to this product. As soon as the product appears in stock, we will notify you by email.

Added to Your Shopping Cart

12 oz. Bottle is temporarily out of stock. Try another available size from the menu above.

View Package Sizes

AMSOIL P.i.® Performance Improver Gasoline Additive

4.9 Based on 1,145 reviews

5 star rating
Good stuff

By Shane, a Verified Buyer on December 21, 2016

Great product when used as directed.

Was this review helpful?
5 star rating
I love this product

By Thomas, a Verified Buyer on December 21, 2016

I use PI every 5,000 miles to keep my direct injection fuel system clean.

Was this review helpful?
1 star rating
P.I. Great, Amsoil Inc. Not Great

By Stan, a Verified Buyer on December 20, 2016

Amsoil products are great. Amsoil as a company, poor. Always charging more than the total paid after the items ship, shipping cost through the roof, taxing shipping... Free gifts now!! Yeah, never saw one of those...

Was this review helpful?
5 star rating
I put Amsoil in my wifes car and my son's Truck

By Timothy, a Verified Buyer on December 14, 2016

I bought a new to me 2014 F-150 FX2 with all the bells and stuff. I have been using the Amsoil products for years, and really like the performance that I get out of them. My hats off to the guys that make our cars and trucks not only run better but last a heck of a lot longer. Very satisfied Pro shopper!!

Was this review helpful?
5 star rating
Pi

By Joshua, a Verified Buyer on December 09, 2016

This is the best stuff I've ever used

Was this review helpful?