A truck is a great vehicle to drive, and you can pursue a world full of customizations and improvements to take it to the next level. Some customizations are simple; others require unique technology, like a tuner. Tuners allow you to change some configurations in your truck, and when done right, they can even improve your truck’s fuel efficiency. However, this modification requires some finesse and understanding since many settings are quite fragile. How Do Tuners Work? Before jumping into ...