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Old 07-06-2015, 09:44 PM   #3
MDR1LE
 
Drives: 15' 2SS/RS/1LE
Join Date: Jul 2015
Location: NJ
Posts: 70
Im not worried about tuning it, I think the only way they would know is if they took the computer out for some reason and a tech at gm dove into it. Once its back to stock I don't think a dealership could tell as far as I know....
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