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Discussion Starter · #1 ·
I'm new to the forums not sure where to post this but I have a 2013 mustang gt track pack that I want to tune but I hear there are unique codes in your PCM that will be erased and void warrenty. My question is can I buy a new PCM and swap them and tune that and if I ever have a warrenty problem I can put my factory PCM back on with the original codes still on it fooling the dealership?
 
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