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Thread: Xcal3 Questions
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Old 01-09-2011, 01:19 AM   #2
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What I Drive: 2013 Focus ST (Sharp Dressed Tux)

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1) No you do not need to leave it hooked up to the car.

2)Diablo has a model that will but the SCT will not.

3)No your applied tune will be fine for an emissions test. You can go back to stock at any time, but wont be necessary.
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