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post #2 of (permalink) Old 09-21-2013
MACH I Member
2VipeRS's Avatar
Joined: Apr 2011
Location: Bismarck
Posts: 2,666
Wouldn't hurt to swap tunes, better safe than sorry. It's all up to the dealer if they want to investigate warranty breaking items such as added hardware or a tune.

2012 Black 3.7L
=Performance Package

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