Big Rig ECM Tuners and Downloaders
Bully Dog Big Rig tuners and downloaders are designed with one
goal in mind - to add bottom line profits through lower fuel consumption cost
in big rig trucks. Whether you are an owner/operator, have a fleet of thousands
of trucks or somewhere in between these downloaders have been designed for you.
They are simple to install and come with two tunes: an Economy Tune, and Economy
with Power Tune. These tuners and downloaders have been designed to safely improve