Bully Dog takes innovation very seriously. Bully Dog has been first to market with product fitment and function over 80 times. Bully Dog revolutionized the market with the ability to adjust power, safety and economy levels on-the-fly while driving down the road. Each Bully Dog product is built to ensure that is consistently meets and exceeds expectations. Each product goes through indepth research and development. Once desinged, each product is put through months of real world testing. This testing is performed across North America so Bully Dog can be sure that each product works correctly and flawlessly in various elevations, weather conditions and driving situations from towing a heavy load to racing down the track. Bully Dog 40410 Bully Dog Triple Dog GT gauge tuner Bully Dog 40420 Triple Dog GT diesel gauge tuner Bully Dog 40300 Bully Dog PMT Performance Management Tool We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.