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⛽ Power up your ride with the ultimate 6-in-1 fuel system upgrade!
Rislone 4700 Hy-per Fuel Complete Fuel System Cleaner is a premium 16.9 oz fuel additive that combines six essential treatments—injector cleaner, upper cylinder lubricant, fuel stabilizer, dry gas, gas treatment, and octane booster—into one powerful formula. It enhances engine performance, improves fuel economy, reduces noise and rough idling, and is EPA registered to ensure safety with modern emission systems and vehicle warranties.
| Asin | B008FRISTA |
| Best Sellers Rank | #18,901 in Automotive (See Top 100 in Automotive) #33 in Fuel Additives |
| Brand Name | Rislone |
| Cleaning Agent Formulation | Detergent, Solvent |
| Container Type | Bottle, Can |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,544) 4.6 out of 5 stars |
| Global Trade Identification Number | 00078615047000 |
| Included Components | Rislone Gas Fuel System Treatment |
| Item Form | Liquid |
| Item Type Name | Rislone Hy-per Fuel Complete Fuel System Cleaner Gas |
| Item Volume | 16.9 fluid ounces |
| Item Weight | 1.1 pounds |
| Manufacturer | Rislone |
| Model Number | 4700 |
| Number Of Items | 1 |
| Part Number | 4700 |
| Scent | Unscented |
| Size | 16.9 Fl Oz (Pack of 1) |
| Special Features | Fuel System Cleaner |
| Specific Uses For Product | Fuel System Cleaner |
| Surface Recommendation | Metal, Plastic |
| Unit Count | 16.9 Fluid Ounces |
| Upc | 078615047000 |
| Warranty Description | No |
User
The best.
This is one of the few additives I've used that actually works. I could feel a difference in both cars Sienna and CX-9
User
Smooth Running, Noticeable Results
This fuel system cleaner really makes a difference — smoother acceleration, better performance, and great value in a pack of four. Easy to use and keeps the engine running at its best!
User
Better than expected
I purchased this product a couple of times now and I'm really pleased with its quality that it brings to my gas mileage and the smoother my engine sounds. I've used other treatments that were lower in cost which are considered good however this product is a bit pricey to be purchasing too often regardless of its performance which is great. I would prefer this product overall when it comes to performance, functionality, as well as speed just can't really see purchasing too much. I do still have leaks but products can only do so much depending the problem
User
Use it more than once. The first tank could reduce fuel consumption while it cleans.
The first time I used it on my 2025 Landcruiser with 2000 miles on it my fuel consumption dropped from 21.9 to 19 mpg. I was shocked but rode the tank out. Two tanks later I put a second bottle and I got 23 mpg. Same driving. Even newer cars need cleaning and I can feel a nice acceleration improvement and it runs very quietly.
User
This stuff works! Period
I've used Rislone products for years, in my Nissan, Jeep, 56 Chevy classic, & my Corvette 645hp muscle car classic from the past, & I have had nothing but good experiences with them. You can't go wrong with Rislone! Update, it's so good, I'm ordering the 4 pack again, 7-18-26 especially for my 1956 Chevy 350ci, & my 2002 Corvette Z06, 645 horse, muscle car, but I'm going to drop a bottle content into my Jeep Wrangler, & Nissan. Love the stuff.
User
Quality
I could tell a big difference after I used Rislone on my 15 yr old car. It ran alot smoother. EXCELLANT PRODUCT. I think it worked better than Seafome.
User
Try it
I been using this for years it works great. You feel the difference almost instantly I highly recommend it.
User
Did not cause anything nefarious, but also no lasting results
Review is for:Rislone Hy-per Fuel Complete Fuel System Cleaner Gas8 y/o vehicle felt like sluggish acceleration (especially uphill under light load) but otherwise running fine and recently serviced. Figured the price was right and would give product a shot in a full tank of gas. Reset trip meter to accurately check MPG. Acceleration seemed to improve slightly, but MPGs went down measurably. Things back to previous state after a few hundred miles.TLDR; Would not buy this again unless I was driving a much older and less maintained vehicle.
User
انصح فيه
كان في ريحة بترول اثناء الوقوف واختفت بعد استخدام المنتج
User
Haven't seen any difference
Haven't seen any difference
User
Was good
Heard about it and tried it, was good no complaints.
Trustpilot
3 weeks ago
1 month ago