Founded in 1999, Bully Dog began developing full-featured calibration devices and other aftermarkets products for a wide rang ... e of light-duty vehicles, heavy-duty vehicles and powersports applications. Concentrating on unlocking the hidden potential of consumer vehicles, Bully Dog surpassed all competitors by providing power gains along side increases in vehicle efficiency. In early 2014, Bully Dog and SCT, a performance driven company dominating the custom tuning market, merged. From the merger, Derive Systems was established, combining the market leading technologies and resources of the SCT and Bully Dog brands. Customers are now offered an unparalleled software solution to improve vehicle performance and the overall driving experience. Bully Dog, with the power of Derive Systems, offers customers unmatched tuning solutions with the greatest number of features across the widest range of vehicles in the market. read more