Description:
Unlock the ultimate potential of your 2020-2023 GM 6.6L L5P Duramax with All In Truck Performance's SMC Tuning for EZ Lynk with Unlimited ECM Support. Our proprietary SMC (Switchable Map Control) tuning allows you to seamlessly switch between multiple custom ECM calibrations using your factory tapshift buttons, no reflashing required. Developed entirely in-house by All In Truck Performance, SMC Tuning gives us the flexibility to build a switchable tune library tailored to how you use your truck.
Every calibration is built through extensive real-world testing to deliver increased horsepower, torque, throttle response, drivability, and towing performance while maintaining dependable reliability. Every L5P calibration also includes our permanent emissions message fix, eliminating the persistent dash messages that have affected the L5P platform using only an ECM calibration.
Features:
- Increase horsepower and torque
- Dial-in aftermarket upgrades
- Improve towing performance
- Optimized throttle response
- Improved low-speed drivability
- Smoother shifting optimized for increased power
- Permanent dash message fix
- Built using extensive real-world testing
- Mobile flashing through the EZ Lynk Auto Agent platform
- Live data monitoring and data logging
- Remote tuning support included
Available Tunes:
0HP – Factory power with improved throttle response, drivability, and overall refinement.
+50HP – Excellent heavy towing calibration with increased torque, smoother throttle response, and improved pulling power.
+100HP – Significant horsepower and torque increase while maintaining smooth, clean power delivery.
+150HP – Aggressive performance calibration delivering substantial horsepower and torque gains while maintaining excellent drivability.
+200HP – Maximum performance offering the highest peak power for stock fuel and air setups.
What's Included:
- Custom AITP SMC (Switchable Map Control) ECM Tune
- Custom TCM Tuning (Trasmission Tuning)
- Unlimited remote tuning support
- Unlimited future calibration updates
- Compatible with EZ Lynk Auto Agent 3
Fitment:
2020 Chevrolet Silverado 2500HD 6.6L L5P Duramax
2021 Chevrolet Silverado 2500HD 6.6L L5P Duramax
2022 Chevrolet Silverado 2500HD 6.6L L5P Duramax
2023 Chevrolet Silverado 2500HD 6.6L L5P Duramax
2020 Chevrolet Silverado 3500HD 6.6L L5P Duramax
2021 Chevrolet Silverado 3500HD 6.6L L5P Duramax
2022 Chevrolet Silverado 3500HD 6.6L L5P Duramax
2023 Chevrolet Silverado 3500HD 6.6L L5P Duramax
2020 GMC Sierra 2500HD 6.6L L5P Duramax
2021 GMC Sierra 2500HD 6.6L L5P Duramax
2022 GMC Sierra 2500HD 6.6L L5P Duramax
2023 GMC Sierra 2500HD 6.6L L5P Duramax
2020 GMC Sierra 3500HD 6.6L L5P Duramax
2021 GMC Sierra 3500HD 6.6L L5P Duramax
2022 GMC Sierra 3500HD 6.6L L5P Duramax
2023 GMC Sierra 3500HD 6.6L L5P Duramax