Bully Dog's systems are designed with quality and functionality in mind and are versatile as well. Whether you're looking for outrageous racing power, pulling power, fuel economy or just a mild upgrade, Bully Dog has the products that you need, many with safety features built in for your additional piece of mind. The Bully Dog name is continually mentioned when talking about the major players in the diesel performance industry and with good reason. Through innovation and a keen sense of what the diesel enthusiast is looking for, Bully Dog has met the challenge and has succeeded in exceeding customer expectations.