Bully Dog Race Pipe Performance Package | 2011-2015 GM 6.6L DURAMAX

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  • Regular price $1,953.51
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FLO~PRO performance packages make it easy for you to get everything you need to bring new life into your truck. By having complete power packages we've eliminated the guesswork of wondering if you have everything you need.


The Stage 1 performance package from FLO~PRO Includes a Bully Dog GT Platinum Diesel and 4" Cat & DPF Race Pipe with optional EGR kits



40428 Bully Dog GT Platinum Diesel

FLO~PRO 862 Race Pipes in Aluminized or Stainless Steel


EGR Block Off Plates (EGRLML)


 The GT Platinum Diesel is four products in one; a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the utility of your vehicle by increasing horsepower, improving fuel economy and providing a comprehensive set of monitoring features and diagnostic functions. This product is incomparable to other tuning products because it has the largest feature set and the widest range of vehicle applications from a single product part number.



• 4 on-the-fly settings (Stock, Tow, Performance, Extreme - 100+ HP)

• 2.5” Color screen

• Allows removal of DPF/Cat, EGR & Urea injection

• Built-in gauges & safety features

• Precisely tune engine with HP gains

• Remove/Adjust top speed limiter

• Speedometer recalibration for use of non-stock size tires or gearing

• Enable/Disable factory “special features”: High idle, fogs w/highs, seat belt chimes, daytime running lights, etc.

• Automatic safety back-down: Controlled by EGT, Boost, Trans. Temp, and Coolant Temp


*Halfway through 2015, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the LML. Please ensure you have the late LML 3-bolt style flange before ordering any of the kits listed on this page.*


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