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Plug in tune question

Discussion in '2015 V6 Mustang' started by dlancer407, Nov 21, 2017.

  1. dlancer407

    dlancer407 New Member

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    I'm considering a tune for my car. I was just wondering how a tune will affect my warranty.
     
  2. DocBoyales

    DocBoyales New Member

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    If you use a handheld tuner like the sct-X4 you can put your ecu back to factory with a few clicks of a button and about 20min of your time.
     
  3. Ben White

    Ben White V6'ing And Dealing With It

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    It won't affect your warranty at all, as altering the ecu is reversible. However, when ever you take it in for any services other than an oil change, you'll want to put the stock tune back on first. That way the performance tunes won't be blamed for any issues you might be having.