(12 pack) STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle
(12 pack) STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle
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(12 pack) STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle

4.7 stars out of 415 reviews
(4.7)|
415 ratings
(12 pack) STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle12 pack 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 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:12 Pack

Key item features

  • Concentrated Cleaning: Contains twice the cleaning agents compared to regular STP Gas Treatment, designed for automotive fuel systems.
  • Deposit Dissolver: Effectively dissolves carbon, gum, and varnish deposits in fuel injectors and carburetors for improved auto care.
  • Fuel Line Protection: Removes water from the fuel system, helping to prevent the fuel line from freezing.
  • Usage Frequency: Recommended for use with every other gas tank fill-up to maintain fuel system cleanliness.
  • System Compatibility: This super concentrated formula is compatible with cap-less gas systems.
  • Treatment Capacity: Each 5.25 fl oz bottle is formulated to treat up to 21 gallons of gasoline.
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Current price is $35.1655.8 ¢/fl oz
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Columbus, 43215
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This item includes:

  • 12-pack of STP Super Concentrated Gas Treatment - 5.25 fl oz Bottle
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Customer ratings & reviews

4.7 out of 5 stars
stars415 ratings175 reviews
How item rating is calculated
  1. 5 stars80% (330)
  2. 4 stars15% (62)
  3. 3 stars4% (16)
  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.
  • : Allows for convenient tank access and refueling.
  • : Provides improved performance with reduced noise.
Neutral
  • : Effective for some, inconsistent for others.
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Showing 1-3 of 175 reviews

Feb 15, 2026
Dusty
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Amazing STP Performance of Gas Treatment

I've been using STP gas treatment for 14 years and find the product Amazing and Outstanding.It not only helps eliminate water from your fuel tank and system but you actually get more power from its use. Just follow the instructions on the label and see for yourself.I can also get my car started with 1 turn of my Key,in Very Very,Very Cold Weather.

Helpful?2192YGX1M70E15572871822
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?2192YGX1M70E15572871822
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?2192YGX1M70E15572871822