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what is the SAFC II ?

Im buying a car soon with one in it and i just want to kno what it does.

2 Answers

  • 1 decade ago
    Favorite Answer

    The S-AFC is a piggyback tuning device made by Apexi. The main use for it is to allow you to lean out or richen your air/fuel mixture throughout the RPM range. This allows you to compensate for larger fuel injectors and other modifications made to the car.

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  • 6 years ago

    For a complete and comprehensive article covering your question, check here :

    Includes data, how to installs and everything about the Super AFC NEO.

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