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Q: 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.

Q: Will this work in my 2015 focus st?

It woke up my corvette. The stuff really works

Q: 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

Q: 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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⛽ Elevate your engine’s potential—because average fuel just won’t cut it!

MADE IN THE USA - Proudly crafted with precision and quality you can trust.
NO ASSEMBLY NEEDED - Ready to use straight out of the bottle—performance simplified.
POWER UP YOUR RIDE - Increase your fuel’s octane rating by up to 7 points for peak engine performance.
EFFORTLESS EFFICIENCY - One 32oz bottle treats up to 10 gallons, making every fill-up count.
ENGINEERED FOR SAFETY - Formulated to protect your catalytic converters and oxygen sensors—no compromises.

VP Racing Fuels Octanium Unleaded Additive is a 32oz performance enhancer designed to safely boost your fuel’s octane by up to 7 points. Compatible with catalytic converters and O2 sensors, it treats up to 10 gallons per bottle, delivering reliable, high-quality fuel performance made in the USA.

Have a Question? See What Others Asked

This is safe to put my 2017 Subaru sti?

Will this work in my 2015 focus st?

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?

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

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Manufacturer	VP FUEL
Brand	Vp Fuel
Model	29505
Product Dimensions	30.99 x 18.54 x 12.19 cm; 861.83 g
Item model number	29505
Manufacturer Part Number	29505
OEM Part Number	29505
Assembly Required	No
Manufacturer	VP FUEL
Country of Origin	USA
Item Weight	862 g

VP Racing Fuels Madditive Octanium Unleaded 32oz

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