my tank holds 33 gallons, would i have to fill it up only will 20 gallons after i pour in Max Clean or could i fill right up?

Put in a bottle & fill your tank 3/4 of the way up. That way you get the improved performance, but only have to buy one bottle. That's what I do as I have a 26 gallon tank.

How to use this ? Can I just put this to the fuel tank ?

Dump it in the fuel tank and fill it up with gas. This large can will treat up to 20 Gallons. I use it in my motorcycle, so I just put a small amount in. It also has a fuel stabilizer in it which is good cause I don't ride the bike that often.

Does this work in small gas engines?

What do u mean by small gas engines? Im running a 1500cc engine and works well with it. Is this small enough?

Does MaxClean come with the application funnel for capless fuel tanks like some of their other products?

It does come with a plastic funnel that attaches to the bottle. Depends what fuel your vehicle takes if it will work or not if it's a caplesss filler neck vehicle tho.

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Royal Purple Max-Clean Fuel System Cleaner and Stabilizer 11722 20 Ounce

Product ID: 1290602

Details

Brand
Royal Purple
Contains Liquid Contents
Yes
Item Weight
1.3 Pounds
Number of Items
1
Unit Count
1.0 Count

⚡2.6% horsepower increase

⛽3.2% fuel economy boost

🌿Up to 18% emission reduction

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MX$740

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In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⛽⚡ Clean fuel, fierce drive, greener planet.

HORSEPOWER ON DEMAND - Unlocks an average 2.6% horsepower gain for a smoother, stronger ride
FUEL EFFICIENCY UPGRADE - Boosts your mileage by an average of 3.2%—more miles, less stops
UNIVERSAL COMPATIBILITY - Works seamlessly with gasoline, diesel, ethanol blends & biofuels—future-proof your engine
ECO FRIENDLY PERFORMANCE - Cuts harmful emissions by up to 18%, keeping your ride green and clean
TRIPLE ACTION POWERHOUSE - Cleans injectors, valves & combustion chambers for peak engine health

Royal Purple Max-Clean is a premium 3-in-1 fuel system cleaner and stabilizer that enhances engine performance by cleaning fuel injectors, carburetors, intake valves, and combustion chambers. It improves fuel economy by 3.2%, increases horsepower by 2.6%, and reduces emissions significantly, all while being compatible with gasoline, diesel, and biofuel engines. EPA and CARB compliant, it’s the go-to choice for professionals seeking reliable, eco-conscious engine care.

Specifications

ASIN	B00B1VBQRS
Best Sellers Rank	#605 in Automotive ( See Top 100 in Automotive ) #3 in Fuel System Cleaners
Brand Name	Royal Purple
Contains Liquid Contents?	Yes
Customer Reviews	4.7 4.7 out of 5 stars (2,999)
Global Trade Identification Number	00641330117220
Included Components	Per Item Description
Item Type Name	Fuel System Cleand and Stabilizer
Item Weight	1.3 Pounds
Manufacturer	Royal Purple
Model Number	11722
Number of Items	1
Part Interchange Info	11722
Part Number	11722
Size	1 Count (Pack of 1)
UPC	641330117220
Unit Count	1.0 Count
Warranty Description	30 Days

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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MX$740

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In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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TrustScore 4.5 | 7,300+ reviews

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