# Maxima Hi-Test Fuel Octane Booster - 16oz

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

## Details

- **Price:** 358.38 CAD
- **Vendor:** Maxima
- **Type:** Additives

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 358.38 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/maxima-hi-test-fuel-octane-booster-16oz)
> Updated: 2026-09-01