Elevate the performance of your 2020-2023 GM 6.6L Duramax L5P with the Superchips 2848-DS1 Flashpaq Tuner. This innovative device comes with both the hardware and software needed to unlock your ECM and TCM directly from home. Designed for various driving needs—from daily commuting to heavy towing and performance enthusiasts—it allows for easy customization of your truck's functionality. With a one-time unlocking process using the provided software and harnesses, you can effortlessly flash your vehicle with pre-loaded tunes optimized for daily driving, towing, fuel efficiency, or maximum performance, achieving gains of up to 125 horsepower and 275 lb-ft of torque.

Key Features of the Superchips Flashpaq Tuner:

• Self-Service Unlocking: Complete with all necessary tools to unlock the ECM and TCM yourself, eliminating the need for ECM removal and shipping.
• Quick and Easy Installation: Tune your truck in minutes directly from your driveway, with zero vehicle downtime.
• Comprehensive Power Gains: Pre-loaded tunes provide significant improvements in horsepower and torque without manual adjustments.
• Advanced Customization: Adjust throttle-pedal sensitivity to match your driving preference, with settings ranging from 0-50% above stock.
• Convenient Memory Functions: Remembers your preferred settings for Exhaust Braking, Tow/Haul mode, and Grade Braking after each restart.

Further enhancing the user experience, the Flashpaq includes a high-definition 2.8" color screen with intuitive navigation, making it straightforward to program your truck. It’s also internet updateable, ensuring you always have access to the latest software updates via USB. From adjusting idle RPMs and disabling speed limiters to calibrating the speedometer for tire size and gear ratios, this tuner offers a wide array of adjustments to fine-tune your driving experience.

Additional Tuning Options and Capabilities:

• Transmission Tuning: Specifically tunes the 10-speed Allison Transmission for optimal performance.
• Diagnostic Functions: Read and clear Diagnostic Trouble Codes (DTCs) to keep your vehicle running smoothly.
• Custom Calibration: Adjust for tire sizes from 26" to 38" and gear ratios from 3.42 to 5.15.
• Performance Testing: Monitor vehicle parameters and acquire advanced data for informed adjustments.
• Power Levels: Choose from Heavy Tow, Mileage XS, Tow Performance, and Performance modes to suit your driving needs.

Unlock the full potential of your Duramax L5P with the Superchips Flashpaq Tuner, combining unparalleled power enhancements with flexible performance customization for a truly personalized driving experience.