I have the Bullydog GT tuner on my 6.7L.
Like it a lot and the added mileage I get.
My question in I leave it on extreme for daily driver.
Is this harmful to anything except maybe tires? LOL.
I have the Bullydog GT tuner on my 6.7L.
Like it a lot and the added mileage I get.
My question in I leave it on extreme for daily driver.
Is this harmful to anything except maybe tires? LOL.
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