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Bully Dog Performance Parts

Bully Dog Technologies was formed in 1998 when the Klassen family took their knowledge of diesel tractor engine performance and applied it to truck and SUV diesel performance. Bully Dog specializes in diesel engine performance, and their extensive line of downloaders, performance management tools, exhaust systems and accessories makes Bully Dog a market leader. Bully Dog is your perfect solution for increased power for towing, for performance increases you can feel when you drive, or for extreme drivers looking to decrease their time in the quarter mile. Bully Dog- uncompromised diesel performance!
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Bully Dog Part Number


Bully Dog Performance Management Tool
Bully Dog Performance Management Tool


Air and Fuel
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Featured Parts

Bully Dog 40420
Details  •  Bully Dog Technologies  •  Triple Dog GT-Diesel-Black
Our Price: $594.99
Bully Dog 40420 is four products in one unit: a vehicle engine tuner, monitor, gauge, and diagnostic device. Bully Dog 40420 transforms the utility of your vehicle by increasing horsepower,...
Triple Dog GT Diesel Gauge/Tuner*

• Improves fuel economy
• Increases horsepower and torque
• Calibrate speedometer
• Free software program
Bully Dog 40415
Details  •  Bully Dog Technologies  •  Triple Dog GT gas, vehicle tuner and monitor
Our Price: $399.49
Our Triple Dog Gauge Tuner 40415 (or GT) for gas vehicles is one of our top-selling products - and for good reason. The Triple Dog GT is four products in one remarkable unit: a vehicle engine...
Bully Dog 40430
Details  •  Bully Dog Technologies  •  GT for the HEMI
Our Price: $499.80
Bully Dog 40430 is a multi-function vehicle monitoring and automated engine protection system with audible alerts that will let you know when something important is happening with your vehicle....
Hemi Plus Gauge Tuner – Chrysler 300C: 11-13 3.6L, 06-12 5.7L Hemi, 06-10 6.1L Hemi; Aspen: 08-09 4.7L, 07-09 5.7L Hemi. Dodge Challenger: 11-13 3.6L, 09-12 5.7L Hemi, 08-10 6.1L Hemi;...
Bully Dog 40384
Details  •  Bully Dog Technologies  •  Bully Dog Sensor Docking Station w/ Pyrometer Probe
Our Price: $159.99
Bully Dog 40450
Details  •  Bully Dog Technologies  •  GT for TOYOTA
Our Price: $699.00
Bully Dog 40450 delivers a higher average horsepower over what they had before as well as a powerful torque improvement that pulls their engine performance to an improved level when towing. Bully...
GT T+ Tuner – 10-12 4Runner 4.0L; 08-13 Sequoia 5.7L, 5.7L Flex Fuel (excl 2011); 09-14 Tacoma 4.0L, 09-13 4.0L Supercharged; 07-13 Tundra 5.7L, 5.7L Supercharged, 10-13 5.7L Flex Fuel
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