Tune for 33x12.5x22 tires

[b_reed04]

Do I need to get my PB programmed for larger 33” tires? Would the dealer do that for me? Also, would that size tire affect the hybrid feature in any way?

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[nicholsbradley]

I put 33 12.50R20 Nitto and the speed was off 2 MPH. NO, the dealer will not do it, and any change can affect the power boost MPG.

 

[Porpoise Hork]

You can use Forscan to update the tire diameter to correct the speedo. As for upgrading to the Nitto's depending on which ones you will likely see a 1-3 mpg average drop. This is due to increased rolling resistance of the more aggressive tires.

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