Quote:
Originally Posted by SpeedIsLife
If a "calibration" aka "tune" is not available from GM, that means that it will cause issues with the powertrain warranty, to say nothing of raising hell with emissions testing.
So far the only real "performance parts" that have been offered by FCA, GM or Ford that doesn't completely nuke the powertrain warranty is the Ford "Power Packs" offered for the 2015-2017 Mustang GT's.
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I know the new packages Dodge offers for the 5.8 hemi are warrantied as well! Come on Chevy get with the program haha