The tune could definitely affect your warranty... there are countless threads on this, probably why no one responded.
As far as the parts are concerned... exhaust and CAI are fine. Best bet is check with your dealers service manager...
Quote:
Originally Posted by WongBob
Everything you mentioned will kill the warranty. For tuning though you can always purchase a second ECM to swap in. If it breaks take it back to the dealership with the stock ECM. GM can tell how many times the ECM has been flashed... thats the reason for a second unit.
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Bad info here...
Bottom line is don't try to hide anything. ECM swap can be detected also. The tune part is where it gets sticky
You are perfectly fine putting a CAI and Catback exhaust on... don't believe me.. ask your dealer...
