Optimized Stock Tune incl EFI Live Spade

Features:

• Fits 2016 6.6L Duramax LML
• 49 state legal emissions compliant
• Emissions equipment remains fully intact
• Slight revisions to factory calibration
• No significant peak power increase
• Lower smoke output than stock
• Supports custom tire size adjustments
• Ideal for troubleshooting drivability issues
• Maintains factory towing capability
• Includes EFI Live AutoCal V3
• EFILive license included for one vehicle
• Compatible with transmission tuning upgrades

Keep Your 2016 LML Running Clean Smooth And Confident

If you like the way your 2016 Silverado or Sierra 2500HD or 3500HD drives from the factory but want it just a little more refined, this Optimized Stock Tune is a smart upgrade. It keeps your emissions equipment fully intact and remains 49 state legal, so you do not have to worry about compliance. The calibration makes subtle improvements to the factory file, helping reduce smoke output and clean up overall drivability. Additionally, it is a great option if you have installed a basic intake or similar upgrade that benefits from proper tuning but does not require more power. Many owners choose this file when they want a safe and predictable setup for daily driving or when someone else is behind the wheel. You can still tow with confidence, just without the added torque of dedicated tow tunes. It is a practical way to fine tune your truck without changing its core character.

Factory Based Calibration With AutoCal V3 Control And Data Logging

This package is built specifically for the 2016 6.6L Duramax LML and includes the EFI Live AutoCal V3 device for simple flashing and monitoring. The Optimized Stock calibration features slight revisions to fuel delivery, torque management, and throttle mapping while keeping peak power levels close to stock output. Furthermore, it allows for custom tire size adjustments to help correct speedometer readings and address TPMS related concerns after wheel changes. Because the tune maintains emissions compliance and avoids aggressive power increases, it is often used for troubleshooting drivability concerns or as part of a multi tune setup. The included EFILive license covers one vehicle and provides flexibility for future updates. Transmission tuning is also recommended to improve shift quality and overall drivability, especially on trucks with larger tires. For owners who want a clean and balanced calibration with professional level control, this setup delivers exactly that.

Fitment: 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Fits 2016 6.6L Duramax LML only
• 49 state legal with emissions intact
• Emissions equipment must remain installed
• Includes EFI Live AutoCal V3 device
• EFILive license valid for one vehicle
• No significant peak power increase
• Does not include Light or Heavy Tow gains
• Ideal for stock or lightly modified trucks
• Transmission tuning recommended for best drivability
• California Prop 65 warning applies