STP 78574 5.25 Oz Octane Booster

Fist of all I only use this product when I travel and fill up at stations that are away from my home. This product helps to insure the quality of fuel I use in my truck. I also have noticed that my highway mpg is holding fast at 22.4 mpg. Only draw back is if u have cap less fuel fill neck of bottles will prevent all fuel additive from entering tank. Be careful can spill on paint.

I totally understand the need for a child proof top BUT the cap is super difficult to remove. It is frustating at the pump fight with the dang cap. Turn..click click turn click click turn click click.Ahhhhh

When we bought the car we have now which was a little less than a year, we were told that this car would need this product every time we gassed up. Well having a supply available was hard to do with the local grocery stores and too expensive at convenience stores, so since I was getting the hang of how to let Amazon help me we decided to buy this product and leaves us one less thing to look for and not be left empty handed next time we needed to fill up. Thanks you are a big help.

My Toyota FJ cruiser requires super unleaded. Because it's 50¢ to 60¢ more a gallon and I drive it 400 miles a week to work it was getting pricey. I started using STP octane boost with regular gas and haven't had any issue with power loss or pinging. I'm happy with it.

I only got one bottle and it was supposed to be 12! I demand a full refund or what I had paid for

The product works and the merchant was great to deal with. There was a small delivery issue which they cleared up immediately.

Completely satisfied

Great price. It helped my gas millage over using 91 octane and saved money by being able to run 88 octane.