---
product_id: 16248365
title: "Royal Purple 11722-2PK Max-Clean Fuel System Cleaner and Stabilizer - 20 oz. Bottle, (Pack of 2)"
brand: "royal purple"
price: "€ 37.23"
currency: EUR
in_stock: false
reviews_count: 11
url: https://www.desertcart.fi/products/16248365-royal-purple-11722-2pk-max-clean-fuel-system-cleaner-stabilizer
store_origin: FI
region: Finland
---

# 3.2% fuel economy boost Up to 18% emission reduction 2.6% horsepower increase Royal Purple 11722-2PK Max-Clean Fuel System Cleaner and Stabilizer - 20 oz. Bottle, (Pack of 2)

**Brand:** royal purple
**Price:** € 37.23
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate your engine’s IQ and leave the competition in the dust!

## Quick Answers

- **What is this?** Royal Purple 11722-2PK Max-Clean Fuel System Cleaner and Stabilizer - 20 oz. Bottle, (Pack of 2) by royal purple
- **How much does it cost?** € 37.23 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/16248365-royal-purple-11722-2pk-max-clean-fuel-system-cleaner-stabilizer)

## Best For

- royal purple enthusiasts

## Why This Product

- Trusted royal purple brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smooth Operator:** Prevents rough idles, hesitation, and stalling—experience flawless throttle response
- • **Horsepower on Demand:** Unlocks an average 2.6% horsepower gain for smoother, stronger drives
- • **Eco-Friendly Performance:** Cuts hydrocarbon, NOx, and CO emissions by up to 18%, driving cleaner and greener
- • **Triple-Action Powerhouse:** Cleans injectors, carburetors & combustion chambers for peak engine health
- • **Fuel Economy Game-Changer:** Boosts mileage by an average of 3.2%—more miles, less stops

## Overview

Royal Purple Max-Clean Fuel System Cleaner and Stabilizer is a premium 3-in-1 synthetic additive designed to restore and enhance fuel system performance. It cleans critical engine components, improves fuel economy by 3.2%, increases horsepower by 2.6%, and significantly reduces harmful emissions. Trusted by enthusiasts for smoother throttle response and reliable engine operation, this pack of two 20 oz bottles is essential for maintaining peak vehicle performance and efficiency.

## Description

Max-Clean is a state-of-the-art high performance synthetic fuel system cleaner that maximizes the performance of your fuel system. Max-Clean restores fuel economy and deeply penetrates and cleans injectors, carburetors, intake valves and combustion chambers.

Review: Rejuvenated my 7.3 Diesel - I have a 2002 Ford F250 with a 7.3L diesel. Truck has 140,000 miles on it. I noticed that my mileage was starting to get worse and I had a tapping sound coming from an injector. A friend of mine suggested this product. I added two bottles to a full tank of fuel and ran it. Like night and day difference. Smoother throttle response, more power, better driveability, and the injector tapping sound is gone. I can't believe how well this worked. Am sure my mileage is up as the truck is driving so much better. Went ahead and put this product on subscribe and save and will use this as regular maintenance on both my 7.3 and my 6.7. Worth every penny.
Review: Royal purple is the best kept secret of the ones who know - I run this every year on 2003 Dodge Durango RT . The truck has had issues from all systems for the last three years so I haven’t been able to take accurate tests and run the numbers while repairs were taking place . Last years numbers were hard to believe In June so I decided to wait till this year to be sure I spoke correctly. The numbers after running this last year while she was rebounding from major repairs weren’t wrong. I gained 40 miles on my cleaning tank . 10% gains and motor has never been smoother. All and all I got the can for free and saved 24 dollars on this fill up all the while cleaning my motor and fuel system pump to injector & out the cat . The product literally pays for itself and buys you gas in the process . The numbers royal purple posts are far below what it does for a badly dirty top half . Do yourself a favor and buy a can

## Features

- 3-in-1 fuel additive keeps new engines clean and improves vehicle's performance
- Improves fuel economy an average of 3.2 percent
- Increases horsepower an average of 2.6 percent
- Reduces hydrocarbon, NOx and CO emissions (on average 12, 13 and 18-percent respectively)
- Prevents rough idle, hesitation and stalling

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00FBHHEDS |
| Best Sellers Rank | #159,370 in Automotive ( See Top 100 in Automotive ) #113 in Fuel System Cleaners |
| Brand | Royal Purple |
| Customer Reviews | 4.6 4.6 out of 5 stars (919) |
| Date First Available | September 20, 2013 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.83 pounds |
| Item model number | 11722 |
| Manufacturer | Royal Purple |
| Manufacturer Part Number | ROY11722-2PK |
| Product Dimensions | 10 x 10 x 10 inches |

## Product Details

- **Brand:** Royal Purple
- **Item Form:** Liquid
- **Material Feature:** Liquid
- **Scent:** Unscented
- **Specific Uses For Product:** Engine cleaner

## Images

![Royal Purple 11722-2PK Max-Clean Fuel System Cleaner and Stabilizer - 20 oz. Bottle, (Pack of 2) - Image 1](https://m.media-amazon.com/images/I/71-6tbZovjL.jpg)
![Royal Purple 11722-2PK Max-Clean Fuel System Cleaner and Stabilizer - 20 oz. Bottle, (Pack of 2) - Image 2](https://m.media-amazon.com/images/I/71ZJcWIoduL.jpg)

## Questions & Answers

**Q: Hello.  Can I use this on  a 12 cylinder twin turbo engine**
A: Sure can. Use one ounce of product per gallon of fuel

**Q: Can I use on 2009 Porsche Carrera?**
A: It’s basically a fuel injector cleaner, so if the 2009 is fuel injected I don’t see why not. I would recommend double checking with your Porsche mechanic though.

**Q: Can I use this on a Polaris Sportsman 4 wheeler?**
A: I used it in a Artic cat  700 with good results

**Q: New dodge scatcat not getting good gas mileage**
A: Tuneup is needed

## Customer Reviews

### ⭐⭐⭐⭐⭐ Rejuvenated my 7.3 Diesel
*by S***R on October 17, 2023*

I have a 2002 Ford F250 with a 7.3L diesel. Truck has 140,000 miles on it. I noticed that my mileage was starting to get worse and I had a tapping sound coming from an injector. A friend of mine suggested this product. I added two bottles to a full tank of fuel and ran it. Like night and day difference. Smoother throttle response, more power, better driveability, and the injector tapping sound is gone. I can't believe how well this worked. Am sure my mileage is up as the truck is driving so much better. Went ahead and put this product on subscribe and save and will use this as regular maintenance on both my 7.3 and my 6.7. Worth every penny.

### ⭐⭐⭐⭐⭐ Royal purple is the best kept secret of the ones who know
*by S***T on June 25, 2022*

I run this every year on 2003 Dodge Durango RT . The truck has had issues from all systems for the last three years so I haven’t been able to take accurate tests and run the numbers while repairs were taking place . Last years numbers were hard to believe In June so I decided to wait till this year to be sure I spoke correctly. The numbers after running this last year while she was rebounding from major repairs weren’t wrong. I gained 40 miles on my cleaning tank . 10% gains and motor has never been smoother. All and all I got the can for free and saved 24 dollars on this fill up all the while cleaning my motor and fuel system pump to injector & out the cat . The product literally pays for itself and buys you gas in the process . The numbers royal purple posts are far below what it does for a badly dirty top half . Do yourself a favor and buy a can

### ⭐⭐⭐⭐⭐ Recommended
*by J***K on January 15, 2026*

Good quality

## Frequently Bought Together

- Royal Purple 11722-2PK Max-Clean Fuel System Cleaner and Stabilizer - 20 oz. Bottle, (Pack of 2)
- Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
- Royal Purple Max Boost Octane Booster - 16 oz.

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**Shop now:** [https://www.desertcart.fi/products/16248365-royal-purple-11722-2pk-max-clean-fuel-system-cleaner-stabilizer](https://www.desertcart.fi/products/16248365-royal-purple-11722-2pk-max-clean-fuel-system-cleaner-stabilizer)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-21*