high hp

  1. Rustyms3
    Thread

    Duratec port injection in Speed6

    I user by the name of Troubled81 has a thread similar to this but has gone silent. I’m not going the same path so I figure I’d post what I’m...
    Thread by: Rustyms3, Jul 4, 2022, 5 replies, in forum: Mazdaspeed 3/6 ECU Tuning
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