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Custom Tune?

Discussion in 'Performance & Fuel' started by blakk0nine, Nov 27, 2009.

  1. blakk0nine

    blakk0nine New Member

    I have read through alot of discussions of people talking about programmers : bully dog , hypertech etc...
    and also alot of mentions of getting a "custom tune" done. What exactly are people referring to when talking about custom tunes?
  2. XS ive

    XS ive Rockstar 100 Posts

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