Custom tuning continues to evolve by leaps and bounds. From simple tinkering with a screwdriver on a carburetor; to the first generations of fuel injection where everybody freaked out; to computer systems that with just a few parameters can learn by themselves; to dialing in sophisticated software and still managing to keep things legal as the EPA cracks down on emissions. Jay Payson of SCT Bullydog joins the guys to explore the innumerable ways in which the world of tuning is quite literally at our fingertips more and more each day.