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I am on my 2015, had to get the PCM with mine.
Takes 10 minutes to install the PCM, three bolts out 3 bolts in
Pretty straight forward, update the unit on your PC with the provided software that is on the i2 hand set.
Once updated follow instructions to load tune of choice
once the tune is loaded you can go back in and change tire size and other parameters of your choice
If you bought it off Matt you can send the stock saved tune to Sean and he will send you custom tunes
load them using the same procedure,
he sent me a 93 octane tune, it works really well and adjusting my tires size has my speedometer and odometer working well
If I can do this anyone can, I can't even operate my phone
