At Bully Dog, we specialize in enhancing the power and performance of both gas and diesel vehicles. As a trusted manufacturer, we offer a wide range of top-quality products including tuners, downloaders, programmers, and chips. Our offerings cater to various vehicle types, be it diesel or gas-powered, ensuring optimal performance. Whether you need a chip, programmer, downloader, or tuner, we have you covered. Additionally, we also provide modules for propane injection, further enhancing power and performance. With