PRODUCT HIGHLIGHTS

The Bully Dog GT 40420 is a performance tuner AND monitor all in one compact electronic device! Get more horsepower, torque, and increase fuel efficiency in your truck with Bully Dog's legendary tuning. All you need to do is plug the GT Tuner into your OBDII Port and perform a simple download to the vehicles ECU.

With industry leading features such as on-the-fly power level adjustments, safety defueling, and the exclusive Driving Coach, the GT Tuner is the premiere all-in-one tuner.  The GT Tuner gives you multiple power levels so you can maximize the power and efficiency of your truck whether you're towing, daily driving, or on the track! The GT Tuner features a full color display with multiple themes and has a day and night time driving mode, so you can always quickly and clearly monitor important vehicle parameters. In addition, the GT Tuner can be used as a diagnostic tool giving you the ability to read and clear diagnostic trouble codes.

Bully Dog Driving Coach 
Driving Coach is a special feature designed to help drivers drive more efficiently. It coaches drivers into better driving habits by providing real time visual and audio feedback as to how efficient a driver is driving. The driving coach also provides the driver with a "grade," on how efficiently they drove during a trip. This makes driving efficiently, constructive, and fun! Drivers can use the Driving Coach to coach themselves into improved driving habits. Every driver can challenge themselves to be "The perfect driver."

Parameters Monitored With Perfornance Gauge Function:
Real Time Fuel economy, Average Fuel economy, Trip Fuel economy, Load %, Coolant temperature, Fuel rail pressure (diesel vehicles), Manifold absolute pressure, Engine RPM, Speed, Timing position, Air intake temperature, Mass Air Flow (grams/sec.), Throttle position, Fuel level, Battery voltage, Ambient air temperature, Transmission temperature. Along with the following diesel specific parameters: Pyrometer #1 & 2 (optional, probe sold separately), Boost, injection pulse Width, Barometer, Oil temperature, injection control pressure

Features: 

• Increases Horsepower & Torque
• Exclusive Driving Coach Feature 
• All-In-One Gauge Display & Tuner
• Universal Mounting Suction Cup Included 
• Reads & Clears Diagnostic Trouble Codes  
• Defueling Based On Set Safety Parameters 
• Initiates DPF Burnoff (Most 2009+ GM / Dodge Models) 
• Free Internet Updates 

Compatible Vehicles

• 1999 Ford F-Series Super Duty 7.3L; DI_TC
• 2000 Ford Excursion 7.3L; DI_TC
• 2000 Ford F-Series Super Duty 7.3L; DI_TC
• 2001 Chevrolet Silverado 6.6L; Duramax
• 2001 Ford Excursion 7.3L; DI_TC
• 2001 Ford F-Series Super Duty 7.3L; DI_TC
• 2001 GMC Sierra 6.6L; Duramax
• 2002 Chevrolet Silverado 6.6L; Duramax
• 2002 Ford Excursion 7.3L; DI_TC
• 2002 Ford F-Series Super Duty 7.3L; DI_TC
• 2002 GMC Sierra 6.6L; Duramax
• 2003 Chevrolet Silverado 6.6L; Duramax
• 2003 Dodge Ram 2500 5.9L; Cummins
• 2003 Dodge Ram 3500 5.9L; Cummins
• 2003 Ford Excursion 6.0L; DI_TC
• 2003 Ford Excursion 7.3L; DI_TC
• 2003 Ford F-Series Super Duty 7.3L; DI_TC
• 2003 GMC Sierra 6.6L; Duramax
• 2004 Chevrolet Silverado 6.6L; Duramax
• 2004 Dodge Ram 2500 5.9L; Cummins
• 2004 Dodge Ram 3500 5.9L; Cummins
• 2004 Ford Excursion 6.0L; DI_TC
• 2004 GMC Sierra 6.6L; Duramax
• 2005 Chevrolet Silverado 6.6L; Duramax
• 2005 Dodge Ram 2500 5.9L; Cummins
• 2005 Dodge Ram 3500 5.9L; Cummins
• 2005 Ford Excursion 6.0L; DI_TC
• 2005 GMC Sierra 6.6L; Duramax
• 2006 Chevrolet Express 6.6L; Duramax
• 2006 Chevrolet Kodiak 6.6L; Duramax
• 2006 Chevrolet Silverado 6.6L; Duramax
• 2006 Dodge Ram 2500 5.9L; Cummins
• 2006 Dodge Ram 3500 5.9L; Cummins
• 2006 Ford Excursion 6.0L; DI_TC
• 2006 GMC Savana 6.6L; Duramax
• 2006 GMC Sierra 6.6L; Duramax
• 2006 GMC Topkick 6.6L; Duramax
• 2007 Chevrolet Express 6.6L; Duramax
• 2007 Chevrolet Kodiak 6.6L; Duramax
• 2007 Chevrolet Silverado 6.6L; Duramax
• 2007 Dodge Ram 2500 5.9L; Cummins
• 2007 Dodge Ram 2500 6.7L; Cummins
• 2007 Dodge Ram 3500 5.9L; Cummins
• 2007 Dodge Ram 3500 6.7L; Cummins
• 2007 GMC Savana 6.6L; Duramax
• 2007 GMC Sierra 6.6L; Duramax
• 2007 GMC Sierra Classic 6.6L; Duramax
• 2007 GMC Topkick 6.6L; Duramax
• 2008 Chevrolet Express 6.6L; Duramax
• 2008 Chevrolet Kodiak 6.6L; Duramax
• 2008 Chevrolet Silverado 6.6L; Duramax
• 2008 Dodge Ram 2500 6.7L; Cummins
• 2008 Dodge Ram 3500 6.7L; Cummins
• 2008 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2008 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2008 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2008 Ford Super Duty Chassis Cab 6.4L; DI_PS
• 2008 GMC Savana 6.6L; Duramax
• 2008 GMC Sierra 6.6L; Duramax
• 2008 GMC Topkick 6.6L; Duramax
• 2009 Chevrolet Express 6.6L; Duramax
• 2009 Chevrolet Kodiak 6.6L; Duramax
• 2009 Chevrolet Silverado 6.6L; Duramax
• 2009 Dodge Ram 2500 6.7L; Cummins
• 2009 Dodge Ram 3500 6.7L; Cummins
• 2009 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2009 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2009 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2009 Ford Super Duty Chassis Cab 6.4L; DI_PS
• 2009 GMC Savana 6.6L; Duramax
• 2009 GMC Sierra 6.6L; Duramax
• 2009 GMC Topkick 6.6L; Duramax
• 2010 Chevrolet Express 6.6L; Duramax
• 2010 Chevrolet Kodiak 6.6L; Duramax
• 2010 Chevrolet Silverado 6.6L; Duramax
• 2010 Dodge Ram 2500 6.7L; Cummins
• 2010 Dodge Ram 3500 6.7L; Cummins
• 2010 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2010 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2010 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2010 Ford Super Duty Chassis Cab 6.4L; DI_PS
• 2010 GMC Savana 6.6L; Duramax
• 2010 GMC Sierra 6.6L; Duramax
• 2010 GMC Topkick 6.6L; Duramax
• 2011 Chevrolet Express 6.6L; Duramax
• 2011 Chevrolet Silverado 6.6L; Duramax
• 2011 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2011 Dodge Ram 2500 6.7L; Cummins
• 2011 Dodge Ram 3500 6.7L; Cummins
• 2011 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2011 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2011 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2011 GMC Savana 6.6L; Duramax
• 2011 GMC Sierra 6.6L; Duramax
• 2011 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2012 Chevrolet Express 6.6L; Duramax
• 2012 Chevrolet Silverado 6.6L; Duramax
• 2012 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2012 Dodge Ram 2500 6.7L; Cummins
• 2012 Dodge Ram 3500 6.7L; Cummins
• 2012 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2012 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2012 GMC Savana 6.6L; Duramax
• 2012 GMC Sierra 6.6L; Duramax
• 2012 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2013 Chevrolet Express 6.6L; Duramax
• 2013 Chevrolet Silverado 6.6L; Duramax
• 2013 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2013 Dodge Ram 3500 6.7L; Cummins
• 2013 GMC Savana 6.6L; Duramax
• 2013 GMC Sierra 6.6L; Duramax
• 2013 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2014 Chevrolet Express 6.6L; Duramax
• 2014 Chevrolet Silverado 6.6L; Duramax
• 2014 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2014 Dodge Ram 3500 6.7L; Cummins
• 2014 GMC Savana 6.6L; Duramax
• 2014 GMC Sierra 6.6L; Duramax
• 2014 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2015 Chevrolet Express 6.6L; Duramax
• 2015 Chevrolet Silverado 6.6L; Duramax
• 2015 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2015 GMC Savana 6.6L; Duramax
• 2015 GMC Sierra 6.6L; Duramax
• 2015 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2016 Chevrolet Express 6.6L; Duramax
• 2016 Chevrolet Silverado 6.6L; Duramax
• 2016 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2016 GMC Savana 6.6L; Duramax
• 2016 GMC Sierra 6.6L; Duramax
• 2016 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2017 Chevrolet Silverado 6.6L; Duramax
• 2017 GMC Sierra 6.6L; Duramax
• 2017 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2007 Chevrolet Silverado Classic 6.6L; Duramax
• 2011 Ford F-Series Super Duty 6.7L; DI_PS
• 2012 Ford F-Series Super Duty 6.7L; DI_PS
• 2013 Ford F-Series Super Duty 6.7L; DI_PS
• 2014 Ford F-Series Super Duty 6.7L; DI_PS
• 2015 Ford F-Series Super Duty 6.7L; DI_PS
• 2016 Ford F-Series Super Duty 6.7L; DI_PS
• 2017 Dodge Ram 2500 6.7L; Cummins
• 2003 Ford F-Series Super Duty 6.0L; DI_TC
• 2004 Ford F-Series Super Duty 6.0L; DI_TC
• 2005 Ford F-Series Super Duty 6.0L; DI_TC
• 2006 Ford F-Series Super Duty 6.0L; DI_TC
• 2007 Ford F-Series Super Duty 6.0L; DI_TC
• 2008 Ford F-Series Super Duty 6.4L; DI_PS
• 2009 Ford F-Series Super Duty 6.4L; DI_PS
• 2010 Ford F-Series Super Duty 6.4L; DI_PS
• 2001 Chevrolet Silverado 6.6L; Duramax
• 2002 Chevrolet Silverado 6.6L; Duramax
• 2003 Chevrolet Silverado 6.6L; Duramax
• 2004 Chevrolet Silverado 6.6L; Duramax
• 2005 Chevrolet Silverado 6.6L; Duramax
• 2006 Chevrolet Express 6.6L; Duramax
• 2006 Chevrolet Kodiak 6.6L; Duramax
• 2006 Chevrolet Silverado 6.6L; Duramax
• 2007 Chevrolet Express 6.6L; Duramax
• 2007 Chevrolet Kodiak 6.6L; Duramax
• 2007 Chevrolet Silverado 6.6L; Duramax
• 2007 Chevrolet Silverado Classic 6.6L; Duramax
• 2008 Chevrolet Express 6.6L; Duramax
• 2008 Chevrolet Kodiak 6.6L; Duramax
• 2008 Chevrolet Silverado 6.6L; Duramax
• 2008 Chevrolet Silverado Classic 6.6L; Duramax
• 2009 Chevrolet Express 6.6L; Duramax
• 2009 Chevrolet Kodiak 6.6L; Duramax
• 2009 Chevrolet Silverado 6.6L; Duramax
• 2010 Chevrolet Express 6.6L; Duramax
• 2010 Chevrolet Kodiak 6.6L; Duramax
• 2010 Chevrolet Silverado 6.6L; Duramax
• 2011 Chevrolet Express 6.6L; Duramax
• 2011 Chevrolet Silverado 6.6L; Duramax
• 2011 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2012 Chevrolet Express 6.6L; Duramax
• 2012 Chevrolet Silverado 6.6L; Duramax
• 2012 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2013 Chevrolet Express 6.6L; Duramax
• 2013 Chevrolet Silverado 6.6L; Duramax
• 2013 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2014 Chevrolet Express 6.6L; Duramax
• 2014 Chevrolet Silverado 6.6L; Duramax
• 2014 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2015 Chevrolet Express 6.6L; Duramax
• 2015 Chevrolet Silverado 6.6L; Duramax
• 2015 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2016 Chevrolet Express 6.6L; Duramax
• 2016 Chevrolet Silverado 6.6L; Duramax
• 2016 Chevrolet Silverado Chassis Cab 6.6L; Duramax LGH
• 2017 Chevrolet Silverado 6.6L; Duramax
• 2018 Chevrolet Silverado 6.6L; Duramax
• 2003 Dodge Ram 2500 5.9L; Cummins
• 2003 Dodge Ram 3500 5.9L; Cummins
• 2004 Dodge Ram 2500 5.9L; Cummins
• 2004 Dodge Ram 3500 5.9L; Cummins
• 2005 Dodge Ram 2500 5.9L; Cummins
• 2005 Dodge Ram 3500 5.9L; Cummins
• 2006 Dodge Ram 2500 5.9L; Cummins
• 2006 Dodge Ram 3500 5.9L; Cummins
• 2007 Dodge Ram 2500 5.9L; Cummins
• 2007 Dodge Ram 2500 6.7L; Cummins
• 2007 Dodge Ram 3500 5.9L; Cummins
• 2007 Dodge Ram 3500 6.7L; Cummins
• 2009 Dodge Ram 2500 6.7L; Cummins
• 2009 Dodge Ram 3500 6.7L; Cummins
• 2009 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2009 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2009 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2010 Dodge Ram 2500 6.7L; Cummins
• 2010 Dodge Ram 3500 6.7L; Cummins
• 2010 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2010 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2010 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2011 Dodge Ram 2500 6.7L; Cummins
• 2011 Dodge Ram 3500 6.7L; Cummins
• 2011 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2011 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2011 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2012 Dodge Ram 2500 6.7L; Cummins
• 2012 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2012 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2012 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2013 Dodge Ram 2500 6.7L; Cummins
• 2013 Dodge Ram 3500 6.7L; Cummins
• 2013 Dodge Ram 3500 Chassis Cab 6.7L; Cummins
• 2013 Dodge Ram 4500 Chassis Cab 6.7L; Cummins
• 2013 Dodge Ram 5500 Chassis Cab 6.7L; Cummins
• 2008 Ford Super Duty Chassis Cab 6.4L; DI_PS
• 2009 Ford Super Duty Chassis Cab 6.4L; DI_PS
• 2010 Ford Super Duty Chassis Cab 6.4L; DI_PS
• 2001 GMC Sierra 6.6L; Duramax
• 2002 GMC Sierra 6.6L; Duramax
• 2003 GMC Sierra 6.6L; Duramax
• 2004 GMC Sierra 6.6L; Duramax
• 2005 GMC Sierra 6.6L; Duramax
• 2006 GMC Savana 6.6L; Duramax
• 2006 GMC Sierra 6.6L; Duramax
• 2006 GMC Topkick 6.6L; Duramax
• 2007 GMC Savana 6.6L; Duramax
• 2007 GMC Sierra 6.6L; Duramax
• 2007 GMC Topkick 6.6L; Duramax
• 2008 GMC Savana 6.6L; Duramax
• 2008 GMC Sierra 6.6L; Duramax
• 2008 GMC Topkick 6.6L; Duramax
• 2009 GMC Savana 6.6L; Duramax
• 2009 GMC Sierra 6.6L; Duramax
• 2009 GMC Topkick 6.6L; Duramax
• 2010 GMC Savana 6.6L; Duramax
• 2010 GMC Sierra 6.6L; Duramax
• 2010 GMC Topkick 6.6L; Duramax
• 2011 GMC Savana 6.6L; Duramax
• 2011 GMC Sierra 6.6L; Duramax
• 2011 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2012 GMC Savana 6.6L; Duramax
• 2012 GMC Sierra 6.6L; Duramax
• 2012 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2013 GMC Savana 6.6L; Duramax
• 2013 GMC Sierra 6.6L; Duramax
• 2013 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2014 GMC Savana 6.6L; Duramax
• 2014 GMC Sierra 6.6L; Duramax
• 2014 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2015 GMC Savana 6.6L; Duramax
• 2015 GMC Sierra 6.6L; Duramax
• 2015 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2016 GMC Savana 6.6L; Duramax
• 2016 GMC Sierra 6.6L; Duramax
• 2016 GMC Sierra Chassis Cab 6.6L; Duramax LGH
• 2017 GMC Sierra 6.6L; Duramax