Skip to content
Real Shop Help Call or text before you order Install Available Request install help Repair Status Track approved service work Fitment Review Check clearance before checkout Local Shop Support Hamilton, NJ performance help
Maxima

Maxima Hi-Test Fuel Octane Booster - 16oz

Seen it cheaper? Send us the link. If we can beat it, we will.
CODE: MXA83916
$155.84 In Stock Sold out
Fitment check

Want the yes/no before checkout? Start with vehicle lookup, then Hurrey's can confirm clearance, trim, install path, or supporting parts.

HiTest is a concentrated, metal-free octane booster designed to increase power by increasing octane number and combustion efficiency. The advanced formulation eliminates knocking by increasing the auto-ignition temperature of the air/fuel mixture and readily mixes with all fuels, including nitro and alcohol mixtures. The all-organic blend contains no metal or phosphorus compounds and effectively increases power at dosages as low as 1 oz. HI-TEST per gallon of fuel.

  • Readily mixes with all fuels, including nitro and alcohol mixtures
  • Allows for higher compression ratios and efficiency
  • For use in 4-stroke and 2-stroke engines
  • Increases horsepower and octane level
  • Prevents pinging and knocking
  • Cleans fuel systems
Back to top