Quote:
Originally Posted by CamaroSkooter
This has been discussed already, but for your information, you're paying over $4k for that set of wheels and tires, so yes, you get to keep the old 20's. In addition, the rim/tire combo doesn't change the overall outside diameter of the tire, so you don't have to reprogram the computer at all.
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But they do need to change your set up because the 21's with the lower profile will require a different PSI than the 20's and therefore require that the dealer updates your Driver Information Center via the tech 2 machine. And chances are there will be a small difference in diameter after the upgrade.
