STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle
STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle
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STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle

4.7 stars out of 404 reviews
(4.7)|
404 ratings
STP Super Concentrated Gas Treatment - 5.25 fl oz BottleSTP Super Concentrated Gas Treatment 5 25 fl oz Bottle24 pack STP Super Concentrated Gas Treatment 5 25 fl oz Bottle12 pack STP Super Concentrated Gas Treatment 5 25 fl oz Bottle2 pack STP Super Concentrated Gas Treatment 5 25 fl oz Bottle6 pack STP Super Concentrated Gas Treatment 5 25 fl oz Bottle
Pack Size:Single

Key item features

  • High Cleaning Power: Contains twice the cleaning agents as regular STP Gas Treatment to help improve fuel efficiency.
  • Removes Deposits: Dissolves carbon, gum, and varnish deposits in the fuel injector and carburetor for easy auto care.
  • Prevents Freezing: Removes water to help keep your fuel line from freezing, ensuring quality at-home car care.
  • Regular Use: Add with every other gas tank fill-up; works with cap-less gas systems.
  • Fuel System Cleaner: Formulated to restore lost fuel efficiency and improve gas quality in your vehicle.
  • Large Coverage: Each 5.25 fl oz bottle treats up to 21 gallons of gas.
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Current price is $2.9355.8 ¢/fl oz
Price when purchased online
  • Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $2.93
Your usuals, on your schedule
Save time and stay stocked!
One-time purchase $2.93

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STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle $2.93 55.8 ¢/fl oz

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STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle

4.7 out of 5 Stars. 404 reviews

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Customer ratings & reviews

4.7 out of 5 stars
stars404 ratings173 reviews
How item rating is calculated
  1. 5 stars80% (322)
  2. 4 stars15% (60)
  3. 3 stars4% (15)
  4. 2 stars1% (3)
  5. 1 star1% (4)

Reviews summary

Pros
  • : Offers excellent value considering the cost.
  • : Lasts for several weeks with a small bottle.
  • : Provides improved performance with reduced noise.
Neutral
  • : Effective for some, inconsistent for others.
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Showing 1-3 of 173 reviews

Feb 2, 2026
David
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

I have older cars %26 needed to pass the smog test, so I tried it for the month before the tests %26 they both passed the smog tests, one car is 40 %26 the other is 20 years old!

Helpful?2192YGX1M70E16817400
Dec 7, 2025
Kevin
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Repeat customer, good product

Helpful?2192YGX1M70E16817400
Dec 14, 2025
Minifancier
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

For this cold weather that is here now, already put one in my cars gas tank.

Helpful?2192YGX1M70E16817400