Our pick for best budget option is from STP, which is also great at restoring engines to a ping-free state. We all know sometimes you want to shop on a budget, especially if you’re weary about how beneficial octane booster really can be. So this 2-in-1 product not only increases octane levels, but stabilizes fuel. Along with providing additional performance and power, Royal Purple’s Max Boost features lead-free ingredients so it also helps reduce emissions. This particular octane booster delivers everything you need it to, particularly in a market filled with products that make false promises. Royal Purple’s offering is our Editor’s Pick and our best overall performer for a variety of reasons. If you’re wanting to really save time, we’ve narrowed it down even further with our picks below for the top performers.īest Overall Performer: Royal Purple Max Boost Shopping for octane boosters can be a bit tedious, especially since each product has its own strengths and weaknesses.

Octane booster