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Old 08-13-2009, 07:33 PM   #7
HP junky
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Drives: 2004 2500HD twin turbo duramax
Join Date: Jan 2009
Location: Ocean City, Maryland
Posts: 148
from what ive read, tuning the car does void the warranty. but if you want, you can buy a 2nd ECM and install it into the car to be tuned. then when you have to go to the dealer. just swap the ECMs out.
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Chris

2010 Black/Black 2SS/RS M6, Sunroof, Painted GFX, Borla S-Type Cat Back, Barton Black Pistolgrip Shift Handle, Black Lloyds SS mats, Elite Engineering Catch Can
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