Using Bully Dog's GT tuner is as straightforward as it gets. All tuning is downloaded onto the ECM via the truck's OBDII port, and each unit comes with an OBDII adapter plug, main wire harness, wire harness for the gauge, MicroSD card, and a windshield mount. The GT tuner retails for $699.
108 WESELPOWER ■ MARCH 2011
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