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Recent content by b18psi

  1. B

    Why don't more people use the GruppeM supercharger?

    Does the GruppeM make more or less power than the Comptech?
  2. B

    Why don't more people use the GruppeM supercharger?

    From what I see on ScienceofSpeed's website is that the GruppeM S/C is about the same cost as the Comptech unit? Is their a reason people are not using the GruppeM version? I assume you would have to wait at least a month to get it shipped from Japan.
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