The feds specifically alleged that Cobb sold more than 81,000 handheld tuners capable of disabling factory emissions software, as well as 8400 exhaust-pipe replacement kits. The company faced ...

For most novices, the notion of a tuner sounds too good to be true. A plug-in handheld device that allows a driver to increase their car's horsepower and torque seems like too easy of a solution.

Unfortunately, that hasn't been possible during the tuning process of our new project car. Between the handheld control module, our cheap, serial-equipped laptop, the yet-to-be-mounted standalone ...