Optimized Stock Tune incl EFI Live SPADE

Features:

• Includes EFI Live AutoCal v3 hardware
• 50 State Legal emissions-compliant tuning
• Retains all factory emissions equipment
• Ideal for stock or lightly modified trucks
• Refined drivability with factory-like feel
• Slight calibration updates for smooth performance
• Lower smoke output compared to stock
• Useful for troubleshooting mechanical issues
• Safe for use when someone else drives
• Helps eliminate TPMS issues with tire sizing
• Supports unlimited tune updates for your truck
• Works best with recommended TCM tuning

Get Back To Reliable Factory Feel Without Sacrificing Control

If you’re looking for a tune that cleans up the factory performance without overdoing it, this Optimized Stock Tune is the perfect middle ground. It keeps all your emissions equipment in place and doesn’t push peak horsepower, but it still smooths out your drive and tightens things up in just the right ways. It’s great for daily drivers who don’t need extra power but still want their truck to run like it should have from the factory. Maybe you’ve got a buddy or employee who uses your truck now and then, this tune gives you peace of mind without turning the truck into a rocket. It’s also a great fit if you’ve added a custom intake or mild upgrade that needs tuning without demanding big power gains. Plus, it’s 50 state legal, so you don’t have to worry about emissions tests or inspections. Whether you're troubleshooting an issue or just want a solid baseline, this tune brings your Duramax back to life in a clean, responsible way.

Subtle Refinements That Keep Your Truck In Check

This Optimized Stock Tune includes over 100 calibration changes designed to enhance drivability while preserving the original character of your 2011 LML Duramax. It doesn't increase peak power, but it refines how that power is delivered with smoother shifts, lower smoke output, and improved responsiveness under load. Perfect for trucks with factory setups or basic bolt-ons, this tune is also smart enough to adjust for modified tire sizes and help clear TPMS-related issues. It's a popular choice within our Switch on the Fly setups, especially when you want a no-hassle setting for when someone else is behind the wheel. By maintaining the factory emissions equipment and avoiding aggressive fueling strategies, this tune stays well within legal and mechanical safety limits. It pairs especially well with optional TCM tuning, giving you more predictable shifting and better overall behavior from the drivetrain. Whether you're setting a baseline for future upgrades or just want your truck to run clean and consistent, this tune gets it done without going overboard.

Fitment: 2011 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Designed to keep factory emissions equipment fully intact
• 50 state legal with CARB approval for street use
• No increase in peak horsepower or aggressive fueling
• Best suited for stock or lightly modified trucks
• Ideal for daily driving or shared vehicle use
• Helpful for troubleshooting drivability or mechanical issues
• Compatible with custom tire size adjustments
• Towing is supported but without added power gains
• Includes EFI Live AutoCal V3 programming device
• Optional transmission tuning recommended for best results