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- STP® Gas Treatment
- STP® Super Concentrated Gas Treatment
- STP® Fuel Injector & Carburetor Treatment
- STP® Super Concentrated Fuel Injector Cleaner
- STP® Complete Fuel System Cleaner
- STP® Octane Booster
- STP® Diesel Fuel Injector Treatment
- New! STP® Fuel System Cleaner for Ethanol
- STP® All Season Water Remover
- STP® Winter Maintenance Formula
- Fuel Additives Comparison Guide
- Concentrated Benefits
- STP & Racing
- Maintenance
- FAQs
- Where to Buy
Fuel Additives Comparison
| Product | Purpose | Strength of Additives | Usage Frequency |
|---|---|---|---|
 |
STP® Gas TreatmentKeeps fuel intake system clean and saves gas. |
 |
Regularly when you fill up |
 |
STP® Fuel Injector & Carburetor TreatmentKeeps fuel injectors and carburetors clean as it fights friction. |
|
Regularly when you fill up |
 |
STP® Super Concentrated Fuel Injector CleanerUnclogs dirty fuel injectors to restore lost performance. |
 |
Use at every oil change |
 |
STP® Complete Fuel System CleanerCleans entire fuel system in one treatment for optimum performance. |
 |
Use at every oil change |
 |
STP® Octane BoosterBoosts octane and cleans fuel intake system. |
 |
Regularly when you fill up |
 |
STP® Diesel Fuel & Injector CleanerKeeps diesel engine fuel injectors clean and improves lubricity. |
|
Regularly when you fill up |
