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Bully Dog is at the forefront of performance ECU calibration technology for gas and diesel vehicles looking to add performance, tackle tough terrain, haul heavy payloads or tow trailers over long distances. Our calibration software platform adjusts key performance parameters to better respond to the unique demands you put on your vehicle, whether itís adjusting for tire size, axle lockers, throttle sensitivity or shift firmness. Easy installation using one of our advanced handheld programmers means quick, out-of-the-box access to better performance, added safety and improved fuel economy. Bully Dog also offers a precision-engineered, top-quality line of performance intakes, diesel particulate filters, manifolds and turbochargers to help vehicles run stronger and last longer.

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Bully Dog 40402 Watch Dog Fuel Economy Monitor Black 1996 & Up Bully Dog 40410 Engine Tuner Triple Dog GT for Gas Engines Bully Dog 40430 Engine Tuner Triple Dog GT for Gas Engines Dodge
BLY-40402 The WatchDog serves as a digital gauge/monitor and features a valuable Driving Coach BLY-40410 The Triple Dog GT is an all-in-one adjustable tuner, gauge, safety monitor, and driving coach BLY-40430 This Bully Dog Hemi GT Plus Gauge Tuner is the most impressive and powerful tuner available