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I have a 2019 Ram 2500 that is running EFI Live and I just installed a 6" BDS lift with 37's. Just wondering what people are using because I am leery of getting the dealer to do it. It's about 5mph off right now.
Most dealers wont change that anyway - most people use alphaobd. Im not as familiar with EFI Live but other tuners like EZ lynk allow you to change tire size for speedo.