Bully Dog ECM diesel tuners are designed to be stowed away after installation--simply set 'em and forget 'em. These powerful controlling devices are preloaded with three high performance, dyno-proven tunes that increase horsepower, torque, and fuel economy. They're built with simple, easy-to-use performance in mind, and can also read and clear diagnostic trouble codes. Give your rig the ability to tackle any challenge along the route with Bully Dog ECM diesel tuners.

Features and specs:

* Idle shutdown timer sets length of time vehicle will idle until the engine turns off to save fuel and extend the life of the turbo by allowing it to cool down before engine shutoff
* Increase and decrease the set limit of the vehicle's cruise control saving time and money when crossing borders.
* Speed limiter can be adjusted to automatically limit engine power
* 75 to 100 hp gains possible in power mode
* Free internet updates help assure that you always have the latest files for your vehicle
* Fuel savings up to 12 percent and longer engine life
* Adjustable options vary for each vehicle and are not available on all vehicles