Are you looking for ways to boost your car’s fuel performance? Real users report that these fuel additives can make their old cars feel new again, providing better mileage and smoother rides.
Boost your car’s power with top fuel additives. These products clean engines and raise octane levels. They help you get better mileage and smoother rides.
Drivers love how these boosters fix knocks and pings. Many share stories of faster acceleration after one use. Our guide picks the best ones for safe, easy boosts.
Real users say their old cars feel new again. Want to try it? Read on for simple tips.
List of Top 10 Fuel Performance Boosters
| Image | Title | Best For | Price |
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104+ Performance (10406) Octane Boost – Boosts Octane And Cleans injectors To Improve Engine Performance – Improve Gas Mileage – 1 Bottle Treats Up To 18 Gallons, 16 fl. oz. |
This octane boost is perfect for drivers who want to clean injectors, improve engine performance, and save on gas mileage. It’s ideal for those who fill up regular tanks but seek premium power with just one easy bottle. |
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STP Octane Booster, Bottled Fuel System Cleaner Restores Lost Power and Acceleration, 5.25 Oz, STP |
This STP Octane Booster is perfect for anyone who wants to get more from their car. Is your engine not running right? This product can help restore your car’s power! |
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BOOSTane Professional Octane Booster, Formulated to Increase Octane for High-Performance Race Engines, 32oz (1 Pack) |
Are you a serious racer or performance enthusiast? Do you demand the absolute best for your engine? BOOSTane Professional is made for you! |
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Gumout 510233 Supreme 2 in 1 Fuel Injector Cleaner + Octane Booster, 10 Oz. Improves Engine Power & Performance & Prevents Deposit Build Up, Treats 30 Gallons |
This Gumout 2-in-1 Fuel Injector Cleaner is perfect for anyone who wants a stronger engine. It helps your car run better and cleaner with every fill-up. |
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STP Octane Booster, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, Pack of 12 |
Are you tired of that annoying engine knock? Do you want better gas mileage and more power? Then, STP Octane Booster is perfect for you. It’s simple to use and really works! |
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Rislone Hy-per Fuel Complete Fuel System Cleaner Gas (Pack of 4) |
This product is perfect for car owners who want to boost fuel efficiency and engine performance. It’s ideal for drivers dealing with rough idling, hard starts, or hesitant acceleration to keep their ride running smooth and efficient. |
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Lucas Oil 10026 12-Piece/Case 15 oz. Bottle Octane Booster Fuel Treatment Fluid |
This octane booster is perfect for car owners who drive high-performance vehicles and want to boost engine power. It also fits truck drivers needing to cut down on engine knock and save fuel. |
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BOOSTane Marine Octane Booster, Fuel Stabilizer Treatment, Improves Performance (up to 116 Octane) and Stabilizes Ethanol Fuel (32 Fl. Oz. 1 Pack) |
BOOSTane Marine is perfect for boat owners, jet ski riders, and anyone with marine engines who want top-notch performance and strong protection against ethanol fuel. It shines for those seeking a smooth ride on the water every time. |
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Lubegard 77012 Fuel System Booster Cleaner – 16 oz. |
This fuel system cleaner is perfect for anyone who wants a smooth-running engine. It’s great for all engines, gasoline or diesel, and helps improve performance and fuel economy. |
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Hot Shot’s Secret EDT+ Winter Defense, 7-in-1 Anti-Gel Diesel Fuel Additive, Prevents Gelling, Protects Diesel Fuel System, Diesel Additive Improves Cold Start, Boosts Cetane, 16oz, Packaging May Vary |
This diesel additive is perfect for people who drive diesel trucks or equipment in cold weather. It keeps fuel flowing smoothly and protects engines from winter issues. |
Detailed Reviews
Are you looking for the best fuel performance? Our guide helps you find the perfect product. We’ve mixed expert advice with real customer reviews. Discover top choices to boost your engine today.
1. 104+ Performance (10406) Octane Boost – Boosts Octane And Cleans injectors To Improve Engine Performance – Improve Gas Mileage – 1 Bottle Treats Up To 18 Gallons, 16 fl. oz.

Boost your engine’s power with this octane booster. It cleans injectors to keep everything running smooth. Enjoy better performance in every drive.
Save on gas while treating up to 18 gallons per bottle. Get more miles for your money today.
| Pros | Cons |
|---|---|
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Perfect For:
This octane boost is perfect for drivers who want to clean injectors, improve engine performance, and save on gas mileage. It’s ideal for those who fill up regular tanks but seek premium power with just one easy bottle.
Ready to Purchase?
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2. STP Octane Booster, Bottled Fuel System Cleaner Restores Lost Power and Acceleration, 5.25 Oz, STP

Revive your engine with STP Octane Booster. It boosts octane right away. You feel the power come back fast.
This cleaner reduces knocking and pinging. It helps restore performance on the go.
Get that old speed and kick back in your car. Fix those fuel issues now. Your ride runs smoother every time.
| Pros | Cons |
|---|---|
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Perfect For:
This STP Octane Booster is perfect for anyone who wants to get more from their car. Is your engine not running right? This product can help restore your car’s power!
Ready to Purchase?
3. BOOSTane Professional Octane Booster, Formulated to Increase Octane for High-Performance Race Engines, 32oz (1 Pack)

BOOSTane Professional Octane Booster is designed to boost your engine’s power. It can increase octane levels up to 116. This makes your car perform better on the track.
This product is perfect for high-performance engines, whether naturally aspirated or forced induction. It helps prevent issues like carbon buildup and corrosion. You can use it confidently knowing it’s tested and effective.
Boost your fuel quality easily. It turns normal pump gas into a race fuel alternative. Remember, it is not street-legal but is ideal for racing and high-performance use.
| Pros | Cons |
|---|---|
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Perfect For:
Are you a serious racer or performance enthusiast? Do you demand the absolute best for your engine? BOOSTane Professional is made for you!
Ready to Purchase?
4. Gumout 510233 Supreme 2 in 1 Fuel Injector Cleaner + Octane Booster, 10 Oz. Improves Engine Power & Performance & Prevents Deposit Build Up, Treats 30 Gallons

Gumout 510233 Supreme 2 in 1 Fuel Injector Cleaner + Octane Booster is easy to use. Just add it with your fuel. It helps your engine run better and smoother.
It keeps fuel systems clean and boosts octane for more power. It treats up to 30 gallons of fuel and is safe for all types of gasoline.
Stay confident that your car will perform well and be more efficient. It protects the engine from damage and helps reduce emissions.
| Pros | Cons |
|---|---|
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Perfect For:
This Gumout 2-in-1 Fuel Injector Cleaner is perfect for anyone who wants a stronger engine. It helps your car run better and cleaner with every fill-up.
Ready to Purchase?
5. STP Octane Booster, Fuel Intake System Cleaner, Bottles, 5.25 Fl Oz, Pack of 12

STP Octane Booster is a fuel additive that works in two ways. It adds MMT and synthetic technology to raise octane levels and clean the intake system.
Your car can lose power from dirty fuel parts. This product fights knocks and pings in the engine. It also boosts fuel flow for better miles per gallon.
Add one bottle to 15 gallons of gas each time you fill up. It works with all cars, even those with cap-less tanks.
| Pros | Cons |
|---|---|
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Perfect For:
Are you tired of that annoying engine knock? Do you want better gas mileage and more power? Then, STP Octane Booster is perfect for you. It’s simple to use and really works!
Ready to Purchase?
6. Rislone Hy-per Fuel Complete Fuel System Cleaner Gas (Pack of 4)

Rislone Hy-per Fuel is a 6-in-1 cleaner. It works as a fuel system cleaner, lubricant, stabilizer, and more. Just one bottle does the job of many.
It boosts octane, improves power, and helps your car run more smoothly. You’ll see better gas mileage and less engine noise.
Use it regularly to prevent hard starts and rough idling. It’s safe for all cars and won’t affect your warranty.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for car owners who want to boost fuel efficiency and engine performance. It’s ideal for drivers dealing with rough idling, hard starts, or hesitant acceleration to keep their ride running smooth and efficient.
Ready to Purchase?
7. Lucas Oil 10026 12-Piece/Case 15 oz. Bottle Octane Booster Fuel Treatment Fluid

The Lucas Oil 10026 12-Piece/Case 15 oz. Bottle Octane Booster is designed to improve your vehicle’s performance. It helps increase power and fuel efficiency with ease. Just add it to your fuel for quick results.
This fuel treatment is simple to use and works well with most engines. It cleans your engine and improves combustion, so your vehicle runs smoother. It’s a reliable choice for anyone looking to boost their car’s performance.
Keep your engine running at its best. Add a little each time you fill up. Your vehicle will thank you for it.
| Pros | Cons |
|---|---|
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Perfect For:
This octane booster is perfect for car owners who drive high-performance vehicles and want to boost engine power. It also fits truck drivers needing to cut down on engine knock and save fuel.
Ready to Purchase?
8. BOOSTane Marine Octane Booster, Fuel Stabilizer Treatment, Improves Performance (up to 116 Octane) and Stabilizes Ethanol Fuel (32 Fl. Oz. 1 Pack)

BOOSTane Marine is a fuel treatment for your boat. It helps your engine run better and last longer.
This product boosts octane up to 116. It also cleans and protects your engine. It’s made in the USA.
| Pros | Cons |
|---|---|
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Perfect For:
BOOSTane Marine is perfect for boat owners, jet ski riders, and anyone with marine engines who want top-notch performance and strong protection against ethanol fuel. It shines for those seeking a smooth ride on the water every time.
Ready to Purchase?
9. Lubegard 77012 Fuel System Booster Cleaner – 16 oz.

Lubegard 77012 Fuel System Booster Cleaner cleans carbon buildup in gasoline and diesel engines. It uses PEA detergent technology to dissolve deposits from the combustion chamber and intake valves. This boost protects fuel pumps and injectors with a special lubricant.
It stops hesitation, rough idles, and stalling for smoother drives. Plus, it lets you use cheaper fuel and boosts fuel economy and horsepower.
| Pros | Cons |
|---|---|
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Perfect For:
This fuel system cleaner is perfect for anyone who wants a smooth-running engine. It’s great for all engines, gasoline or diesel, and helps improve performance and fuel economy.
Ready to Purchase?
10. Hot Shot’s Secret EDT+ Winter Defense, 7-in-1 Anti-Gel Diesel Fuel Additive, Prevents Gelling, Protects Diesel Fuel System, Diesel Additive Improves Cold Start, Boosts Cetane, 16oz, Packaging May Vary

Keep your diesel engine running smoothly this winter with Hot Shot’s Secret EDT+ Winter Defense. This 7-in-1 additive is a must-have for cold weather protection.
It prevents gelling and improves cold starts. Your engine will thank you. This product is easy to use.
| Pros | Cons |
|---|---|
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Perfect For:
This diesel additive is perfect for people who drive diesel trucks or equipment in cold weather. It keeps fuel flowing smoothly and protects engines from winter issues.
Ready to Purchase?
Buying Guide
Fuel additives can give your car more power. They clean engines and fix knocks. Pick one that fits your needs.
Users love these boosters for quick wins. One driver said their old truck felt lively again after using STP. Another shared how Gumout improved their ride’s smooth feel and saved gas.
- Vehicle Type: Think about your car’s engine. Gasoline engines need one kind. Diesel ones need a different one for best results.
- Octane Boost Level: Look at how much it raises octane. More boost helps high-performance cars. Low boost works for daily drives.
- Cleaning Power: Check if it cleans injectors or valves. Good cleaning stops buildup. It keeps your engine smooth.
- Fuel Compatibility: See if it works with all gas types. Some handle ethanol. Others protect from corrosion.
- Ease of Use: Pick ones you add to the tank easy. No tools mean less work. Fast results help right away.
- Multi-Functional Benefits: Choose if it does more than boost. Some clean and stabilize fuel. Others cut noise and boost mileage.
- Price and Value: Compare cost per gallon treated. Cheap ones save money. High value means long-term use.
- Safety and Legality: Make sure it’s safe for your car. Avoid illegal boosts for streets. Check warranty rules first.