Bully Dog 40420 GT Diesel Tuner 2001-2016 Duramax LB7 LLY LBZ LMM LML
Bully Dog 40420 GT Diesel Tuner 2001-2016 Duramax LB7 LLY LBZ LMM LML is backordered and will ship as soon as it is back in stock.
Product Care information
Product Care information
At BackWoods Diesel, we ensure all parts are stored in a clean, dry, and temperature-controlled environment to prevent damage. Our team inspects each part for quality and maintains them according to manufacturer guidelines before shipping.
Delivery and Shipping
Delivery and Shipping
At BackWoods Diesel, we prioritize fast and reliable shipping. All orders are carefully packed and dispatched promptly to ensure your parts arrive safely and on time, so you can keep your projects running smoothly without delay.
Bully Dog 40420 GT Diesel Tuner 2001-2016 Duramax LB7 LLY LBZ LMM LML
Bully Dog 40420 GT Diesel Tuner 2001-2016 Duramax LB7 LLY LBZ LMM LML is backordered and will ship as soon as it is back in stock.
Description
Description
The Bully Dog GT Platinum Diesel Tuner (40420) is a complete performance tuner, monitor, and diagnostic system designed for 2001–2016 GM Duramax diesel trucks.
This plug-and-play device delivers improved horsepower, stronger towing performance, and real-time engine monitoring—all from a single unit.
Whether you're towing heavy loads or looking for better throttle response, the GT Diesel Tuner gives you full control.
Performance Gains (By Engine):
2001–2010 Duramax (LB7–LMM): Up to +120HP
2011–2014 LML: Up to +75HP
2015-2016 LML: Up to +50HP
Features & Benefits:
- Tow / Performance / Extreme tuning levels
- Improves horsepower, torque, and drivability
- Full-color display with customizable gauges
- Monitors boost, fuel pressure, EGT, temps, RPM, and more
- Reads and clears diagnostic codes
- Driving Coach feature for improved fuel economy
- Plug-and-play installation
Why Duramax Owners Choose This:
- Proven gains for towing and daily driving
- Helps monitor critical engine data
- Improves fuel efficiency and throttle response
- Simple install with no complicated setup
Important Notes:
- Emissions-compliant vehicles only
- Designed for stock or lightly modified trucks
- Not compatible with deleted vehicles
Payment & Security
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