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Originally Posted by yukongt
I own a 2007 Denali and I would like help on two issues:
1. I would like to replace my radio player with the OEM navigation system is that possible?
2. If I want to change my tires/wheels to the optional 20" Denali wheels, do I need to recalibrate the settings? In other words is it a hassle to change them? If so what is involved.
Thanks in advance.
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It all depends on what tires you go with. Here is a site where you can input your stock tire size and input your upgraded tires and see what the difference is.
http://www.1010tires.com/TireSizeCalculator.asp
If it is slight you might not have to recalibrate your speedometer. If you really need to recalibrate your dealer can do it for a hefty fee, or get a programmer, or get a custom tune and get more power and recalibrate your speedo at the same time.