You don’t have to have a custom tune.. it cools down the intake temps, colder air, more oxygen more power, add meth to the mix to boost octane levels, lotsa guys run water/meth injection here in SA
You only need to change the map if you want to tinker with the timing to make more power, but that’s only recommended with a lot of intake mods, eg, fmic, tip, intake and water meth.. but you run advance timing map if u not satisfied with the power u making..
You only need to change the map if you want to tinker with the timing to make more power, but that’s only recommended with a lot of intake mods, eg, fmic, tip, intake and water meth.. but you run advance timing map if u not satisfied with the power u making..


LOL


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