I have the Edge tuner. Used it for about 3 years and found that it did not improve the mileage one bit. Also I did not notice all that much improvement in power however that mete be because I ran in the econo mode. I have taken it out of the truck and just run in stock Ford programming. Bottom line for me it was a wast of money.
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Wayne and Ann Moore
2015 Ford F-350 King Ranch
Firestone air bags, bed saver.
Add 40 GAL tank in bed.
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