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    Stage One Tuning

    Gents After driving in a friend's (ugly) tuned Scooby, i've now caught the tuning bug! So what I have so far is just the Apexi filter with heat shield. I only want to do the following: FMIC Colder Spark Plugs Nismo 555 Injectors Increase boost ECU Remap Firstly, how much should this all...