I installed the Diablo Programmer and after only two weeks with the performance program set, I tuned it back to stock. I lost 1 mpg, and even though I saw a very nice power increase, I am not sure its worth the mpg loss. Just my thought.
Kevin
2003 Pewter H2, Tire relocator, painted hard tire cover, billet gas cover, MC2 chrome hood handles, stainless bumper letters, 15% tinted front windows,pioneer nav/dvd, xm sat, headrest monitors, tv tuner, defenderworx hood latches, side vents, marker bezels, and chrome MC2 factory style wheels, Flowmaster exhaust, AirForce One Intake.
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2003 Pewter H2, Tire relocator, painted hard tire cover, billet gas cover, MC2 chrome hood handles, stainless bumper letters, 15% tinted front windows,pioneer nav/dvd, xm sat, headrest monitors, tv tuner, defenderworx hood latches, side vents, marker
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