More Octane, More Boost, Lower ETs- a single-use fuel additive that increases the octane level of fuel in the tank.; More Octane, More Boost, Lower ETs- a single-use fuel additive that increases the octane level of fuel in the tank.. NOS Octane Booster can provide the extra edge you need when the chips are down. Like pouring boost in your gas tank, it allows forced induction engines to run more boost safely, so you don't encounter the engine's detonation threshold. It's also especially beneficial in high-performance, turbocharged and high-compression engines running on a track day. This single-use fuel additive boosts octane up to 5 numbers, which aids in reducing knocking or pinging during combustion.
