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  • Renault RS custom tuning

    Renault RS custom tuning (22)

    With over 20 years experience tuning fast Renaults you can be safe in the knowledge that we know what we're doing. At EFI we specialise in accurate, CUSTOM re-maps for most models of Renault RS.
  • Honda Type-R custom tuning

    Honda Type-R custom tuning (4)

    With over 20 years experience tuning performance engines you can be safe in the knowledge that we know what we're doing. At EFI we specialise in accurate, CUSTOM re-maps for most models of Honda Type-R. Professional tuning for K20, K24, B16, B18 & D16 engines.
  • Standalone ECU mapping

    Standalone ECU mapping (1)

    With over 20 years experience tuning performance engines you can be safe in the knowledge that we know what we’re doing. At EFI we specialise in accurate calibration (tuning) of many reputable standalone, aftermarket engine management systems including Motec, Link, Haltec, Syvecs, DTA, Omex, Emerald, MBE, Life racing, ECU Master, Canems and several more beside.