This is safe to put my 2017 Subaru sti?

Absolutely. Increasing the octane will only prevent engine damage that preignition causes. Octane is a measurement of the fuels ability to resist detonation. It is tested and given a AKI # Anti knock index. Using a higher octane then necessary will only burn up your cash faster. But using a lower octane when the engine needs higher can/will harm the engine.

Will this work in my 2015 focus st?

It woke up my corvette. The stuff really works

It left sediment in my clear gas can after one week. Has anyone else had this issue. Can I just shake it up and use it?

People usually put it in the tank and add proper amount of Fuel so can't really say, maybe next time I'll put it in a Clear glass jar and get back with you

Is it safe for an every day car? i’m just looking for something that will clean my fuel system and improves gas mileage. taurus sel 2011

If you follow the instructions you'll be fine. 2.6 ounces per 10 gallons, I believe, if you have emissions control devices on board, which you probably do since you don't have a race car. These guys dump the whole 32oz in their tanks and keep rollin'. I can understand your confusion. The video and bottle say two different things. If you are nervous, just go with Liqui Moly Fuel System Cleaner or Amsoil Performance Improver (Amsoil PI) every 4,000 miles or at your oil change interval. And use Amsoil Upper Cylinder Lubricant and CleanBoostMAXX on every fill-up.

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VP Racing Fuels Madditive Octanium Unleaded 32oz

VP Racing Fuels Madditive Octanium Unleaded 32oz

Product ID: 402382307

Details

Brand
VP Racing
Item Form
Liquid
Material Feature
Unscented
Scent
Unscented
Specific Uses For Product
Octane Booster

⛽Boosts octane by up to 7 points

🔄Treats up to 10 gallons per bottle

🛡️Safe for catalytic converters & O2 sensors

₨54843

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Description

⛽ Ignite your ride with VP Racing’s Octanium – because your engine deserves the best!

MAXIMIZE EVERY DROP - One 32oz bottle treats up to 10 gallons, delivering premium performance without waste.
ENGINEERED FOR SAFETY - Formulated to protect your catalytic converter and oxygen sensors, ensuring long-term vehicle health.
JOIN THE ELITE DRIVERS - Rated 4.6 stars by over 200 enthusiasts who refuse to settle for average fuel.
TRUSTED AMERICAN QUALITY - Proudly made in the USA by VP Racing, a leader in high-performance fuel additives.
POWER UP YOUR PERFORMANCE - Elevate your engine’s octane rating by up to 7 points for smoother, more efficient rides.

VP Racing Fuels Madditive Octanium Unleaded 32oz is a high-performance octane booster that safely increases fuel octane by up to 7 points. Designed to treat up to 10 gallons per bottle, it protects critical engine components like catalytic converters and O2 sensors. Made in the USA and highly rated by users, it’s the go-to additive for drivers seeking enhanced engine efficiency and power.

Specifications

Asin	B07P13524K
Brand Name	VP Racing
Contains Liquid Contents	No
Country Of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (227) 4.6 out of 5 stars
Global Trade Identification Number	00846781006141
Included Components	AUTO_ACCESSORY,PBE,Oils,and Fluids,Fuel/Oil Addititives/Engine Treatments
Item Type Name	Octane Booster
Item Weight	862 g
Manufacturer	VP FUEL
Model Number	29505
Number Of Items	1
Part Number	29505
Size	32 Ounces
Upc	846781006141

Reviews

User

Octane booster

Great!

29.03.2026

User

مايفرق ولا يسوي شي👎🏽

قمت بتجربه نص العلبهعلى تقريباً 15لتر بنزين 95 وفي العلبه يقلون تكفي 38 لتر او 10 جوالين جربت قبل اضافه المحلول هاذا وجربت بعد اضافه المحلول يعني جربت في وقت واحدالصدمه كان التسارع الاول افضل ب 2 ثواني يعني لا تضيع فلوسك والله مافرق ابداً مبلغ كبير في شي مايستاهل واللهوالله اعلم اذا كان مغشوش او لا. التجربه على كامري V6( لاتضيع فلوسك )

14.03.2024

User

Save $$$ on every fill up

My SUV doesn't like regular fuel. The manufacturer says premium isn't required—only recommended. It doesn't change how the vehicle drives, but the dashboard lights up like a game show.With the current price of premium fuel, I fill up with regular and add about a 5-ounce dose of this product. The SUV doesn't seem to notice the difference. The boost costs about $4, while the difference between regular and premium is around $13 per tank. That puts about $9 back in my pocket every fill-up, and my SUV doesn't seem to notice the difference. It works perfectly!

14.07.2026

User

Unleaded octane

It's very good octane unleaded, and you can use in stock car no problem

9.05.2026

User

Perfect

Very good

12.09.2025

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₨54843

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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