Just drop in a magic “chip” and your car or truck suddenly takes on NASCAR-like qualities ─ able to accelerate quicker or even achieve better gas mileage. Sounds easy, doesn’t it? Too good to be true?

As truck guys, it is a fact that we need our horsepower and torque, and no time is it more apparent than when we add big, heavy tires, weighty armor and accessories, and lifts that make our rigs less ...