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2003 Mercury Mountaineer Power Programmers & Performance Tuners

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Easy to use

Reviewed By Grant C (HARLAN, IN) Reviewed for a 2018 Chevy Silverado —6/15/2018 8:30 PM

After a quick update and vin unlock the tuner was easy to use. It would be nice if it included more detailed instructions about adjusting the shift points. I bought it to be able to adjust for tire size and gear ratio. It does both plus includes canned tunes for less than the price of other products that simply correct for tire size.

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Reviewed By Steve S (NEENAH, WI) Reviewed for a 2007 Chrysler 300 —5/29/2018 7:05 AM

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Reviewed By Francis P (Philadelphia, PA) —5/10/2018 8:31 PM

Best can't believe it I love it thanks autoanything..

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