Light Tow Tune incl EFI Live SPADE

Features:

• Includes EFI Live Spade AutoCal V3
• Gain up to 55 RWHP and 99 ft-lbs
• Emissions intact, no deletes required
• 49-state legal light tow custom tune
• Designed for towing under 8,000 pounds
• Custom SMART EGT control for safe temps
• Improved throttle response and pedal feel
• Smooth power delivery across all speeds
• Factory turbo brake remains fully functional
• Better low-speed trailer control and backing
• Over 100 calibration changes from stock
• Simple plug-in tuning with no wire splicing

Get More Out Of Your Truck Without Going Overboard

If you use your 2014 Duramax for daily driving and light towing, the Light Tow Tune with EFI Live SPADE is a smart way to wake it up without pushing it too far. It gives your truck the boost it needs for hauling smaller trailers, UTVs, motorcycles, or a loaded work truck, without affecting reliability or emissions compliance. You’ll gain up to 55 rear-wheel horsepower and 99 ft-lbs of torque, which makes the truck feel quicker off the line and smoother while towing through town or on the highway. Pedal response improves noticeably, and backing a trailer into tight spots becomes easier thanks to revised low-speed sensitivity. The tune is 49-state legal and keeps your emissions equipment fully intact, so you don’t have to worry about compliance or future inspections. What you get is a noticeable bump in usable power, smoother shifting, and better trailer control, all from a tune built specifically for light-duty towing needs. It’s a great option for anyone who wants better performance without going overboard.

Designed For Everyday Drivers Who Tow With Purpose

This Light Tow Tune was engineered for the 2014 GM Silverado and Sierra 2500HD and 3500HD models running the 6.6L Duramax LML, offering over 100 custom calibration changes from stock. It’s ideal for trucks towing less than 8,000 pounds and built to provide a safe, balanced mix of power and efficiency without stressing factory components. SMART EGT control helps manage exhaust temperatures under load, while built-in air-fuel ratio limits keep soot production low. The tune maintains full functionality of the factory turbo brake and avoids any need for wiring or sensor modifications during installation. It runs through the EFI Live Spade AutoCal V3, a plug-and-play handheld programmer that also supports data logging, trouble code scanning, and tune updates. Revised throttle mapping and improved shift behavior make it easier to stay in your powerband when pulling uphill or accelerating through traffic. For trucks running larger tires or additional upgrades, pairing this with TCM tuning is highly recommended to maintain smooth, responsive shifting

Fitment: 2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• SPADE / EFI Live AutoCal V3 hardware is included
• EFILive license is included with hardware purchase
• Emissions equipment must remain installed on the truck
• 49-state legal, not certified for use in California
• Designed for towing loads under 8,000 pounds
• Recommended for trucks with minimal performance modifications
• Not intended for deleted or heavily modified trucks
• Custom tune is preloaded specifically for your vehicle
• Requires vehicle VIN and device info if using existing hardware
• Transmission tuning is recommended for optimal performance
• Tune can be updated and reflashed as needed
• Ideal for seasonal towing, light trailers, and work trucks