Rislone 4747-12PK Super Concentrated Octane Booster, 6. Fluid_Ounces, 12 Pack, yellow | Real MMT Power Boost, Restores Lost Horsepower, Stops Engine Knocks & Pings, Treats up to 20 Gallons

I use this religiously in all my harleys to offset lower quality pump gas. Bottle size is perfect fit for my swingarm bag. Usually get 3 to 4 fill ups from a single bottle. Won't ride without it.

they work

The item original box was packaged upside down inside of a box with arrow pointing the wrong direction. Some leakage occurred. This is an excellent product. My car calls for 91 octane and this raises my cars regular gas almost there. There are only a couple of gas stations that carry premium grade around my house and they charge at least 1$ more than the regular grade fuel. That saves me about $15. / Tank

I decided to purchase for my 2025 Ford Ranger Raptor to determine if I could tell a difference in horse power performance, even though I added a performance calibration computer program along with a Process West enlarged air box, to include the 3.5" cross over pipes to allow the turbos to really breath. My comments of the product are not based on anyrecent Dyno testing. I added one bottle to each of the 5-full tanks of gasoline of Sunoco 94 octane fuel. I did this to give the computer to evaluate and "learn" the fuel mixture change. On the 5th full tank full, I added one bottle and hit the road and accelerator. Truly I was shocked that the product made a noticeable change I could feel from behind the wheel. Both from a full throttle start, highway throtle punch and residential road driving acceleration. Again, not a dyno test but if I can edge out a noticeable difference, that's all I was l99king for. Without any details, I must have surprised drivers in their modified vehicles in the performance of this mid-size pick-up when I pulled away in small level straight and drag racing situations that arose. Additional performance parts will be added in the very near future but at least the gasoline octane booster proved its point to me.

I only received 11 bottles. Not a big deal cause it’s still cheaper than buying individual bottles