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apexi fc

  1. Tuning, Technical Questions
    Hi all, I have an R34 GTR V-Spec and it has a Hitachi ECU on it. I want to upgrade and I have been recommended a apexi FC ecu. The car has the Middlehurst 450bhp upgrade pack on it, this includes Steel turbos, HKS boost controller(1.2bar), Cams, Split fire coils, HKS induction kit. I want to...