2020-2023 GM 2500/3500 6.6 Gas Evolution

The Edge Evolution CTS3 is the ultimate flash tuner and digital monitor for 2020–2023 Chevy Silverado HD and GMC Sierra HD trucks with the 6.6L L8T gas engine, delivering proven power gains, improved drivability, and advanced control in one sleek package. Every kit comes with the Edge Locksmith tool, allowing you to unlock your truck’s ECM safely through the OBD-II port. Once unlocked, you gain access to preloaded, emissions-friendly calibrations tailored for daily driving, towing, fuel economy, and performance—giving you noticeable horsepower and torque improvements where you need them most.

Features

• Includes ECM Unlock Harness and Locksmith Device
• Adds 28hp/50ft-lbs
• Calibrate for Tire Size and Gear Ratio Changes
• Adjustable Speed and Rev Limiters
• Remember Previous Drive Mode on Start Up
• User Adjustable Throttle Sensitivity
• Four preloaded tunes for Economy/Towing (87 Octane), Drive (87 Octane), Performance (91 Octane), and Extreme(91+ Octane)
• Two transmission shift strategies to fine tune your experience, Firm Shift and Hard Shift
• Improves power, mileage, towing performance

Documentation

• Installation instructions — d10028900 rev00 (PDF)