Hi! Which is the diference between this and the other "maxclean" from royal purple? Thanks btw!

Good question. We bought both and it seems that they truely do the same thing. Both very effective making cat coverter and fuel injector cleaner. I can tell and see the difference. Royal Purple is top of its game 5☆.

How does this differ from MaxClean?

More like a direct/specific fuel injector cleaner.

how do you use this? what gas to mix with?

Direction is on the can. What I did was, wait for your gas tank also empty then I put it in then fuel up the gas. Run it for 10, 15 minutes or more for it to clean out the injectors. Hope this help.

how does this compare to sea foam cleaner?

Seafoam is meant for marine motors. That's why it's called seafoam. Don't use it on yer car. That stuff is horrible. This, redlines SI-1 complete fuel system cleaner and of course techron by chevron. Techron IS what chevron calls their PEA which is what you want to clean out your fuel system. All 3 contain PEA. Seafoam doesn't.

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Royal Purple 18000 Max Atomizer Fuel Injector Cleaner - 6oz

Product ID: 256742782

Details

Brand
Royal Purple
Item form
Spray
Material features
Clean
Scent
Unscented
Specific uses for product
Fuel Injector

⛽Boosts fuel injector efficiency by up to 15%

📏Compact 6oz size for easy storage & use

🛠️Chlorine-free formula for engine-safe cleaning

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$35.18

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Description

⛽ Clean fuel, cleaner ride — don’t get left behind!

CHLORINE FREE SAFE - Protects your engine with a non-corrosive, eco-friendly formula
COMPACT CONVENIENT - 6oz bottle fits perfectly in your garage or glove compartment
SEAMLESS INTEGRATION - Easy-to-use spray formula that works flawlessly with all fuel systems
TRUSTED BY THOUSANDS - Rated 4.6 stars by over 3,000 drivers who noticed the difference
MAXIMIZE ENGINE PERFORMANCE - Restores fuel injector flow for smoother acceleration and better mileage

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner is a 6oz, chlorine-free spray designed to optimize fuel injector performance. With a compact design and seamless functionality, it helps restore engine efficiency and improve driving smoothness. Trusted by thousands with a 4.6-star rating, this cleaner is a must-have for proactive vehicle maintenance.

Specifications

ASIN	B00XF03K54
Batteries required	No
Best Sellers Rank	#15,421 in Automotive ( See Top 100 in Automotive ) #36 in Automotive Fuel System Cleaners
Customer Reviews	4.6 4.6 out of 5 stars (3,088)
Date First Available	4 September 2015
Is assembly required	No
Is mould resistant	chlorine free
Item Weight	6 Ounces
Item model number	18000
Item volume	6 Fluid Ounces
Product Dimensions	5.08 x 5.08 x 17.78 cm; 170.1 g
Scent	Unscented
Specific uses	Fuel Injector

Reviews

A**J

Im amazed!!

I love this product and it came in a good packaging, really noticed a difference in my driving!!!

17.05.2024

F**S

Not that efficient

Didn't feel any difference

15.11.2025

S**D

Damaged bottle received

I received a damaged bottle. When I opened it, my little daughter was nearby. It dangerous to see this especially when I’m seeing similar comments from most parts of the world. I used up whatever was remaining, but it’s the last time I’m ever buying it.

12.05.2024

A**I

Good

Amazing product

19.05.2024

R**Z

Este producto es muy bueno cumple con todas las espectativas exelente para motores gdi o inyección directa. Muy recomendable para aumentar los km x litro

1.07.2018

H**I

Great PEA added Nozzle cleaner. I added it to 40 litre of tank full fuel. After running 50-60 kms I can find improvement in pickup, less vibration and quick start. It's proven cleaner from one of the world's reputed Royal Purple Brand. Use it both for Diesel CRDI and Petrol MPFI vehicles. Great improvements you will find.

20.11.2025

J**K

Arbeitet, bessere performance nach erster Anwendung.

20.03.2026

F**O

Ottimo prodotto per motori a iniezione diretta. L’ho testato giusto per un viaggio di circa 500 km in autostrada e ho notato il motore più responsivo e miglior consumo. Consigliato

14.02.2026

R**G

I've never been a fan of Royal Purple motor oil but I would buy this again. Slightly better mileage and fixed a cold start issue.

22.03.2026

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