Light Tow Tune incl EFI Live SPADE

Features:

• Gain up to +80 HP and +144 torque
• Emissions intact and 50-state legal
• Built for towing under 8,000 pounds
• Includes EFI Live AutoCal V3 hardware
• Custom SMART EGT control protects your engine
• Air to fuel ratio control reduces soot
• Smoother acceleration and improved drivability
• No dead pedal or throttle lag
• Factory turbo brake remains fully functional
• Ideal for daily drivers and weekend haulers
• Low-speed trailer maneuvering is smooth and easy
• Custom tune with over 100 ECM adjustments

The Ideal Tune For Everyday Towing And Driving

If you use your 2015 Duramax for hauling smaller loads or pulling a trailer on weekends, the Light Tow Tune is exactly what your truck needs. It brings noticeable improvements in throttle response, low-end torque, and drivability without pushing your engine or emissions system beyond their comfort zone. Whether you're hauling a small boat, a UTV, or a fully loaded utility trailer, this tune helps you get up to speed quicker and stay in the gear you want with less strain on the truck. It’s smooth and refined, making daily driving just as enjoyable as towing. Backing up with a trailer is easier thanks to revised pedal sensitivity, and the factory turbo brake stays fully functional for safe downhill control. With emissions intact and no need for hardware hacking or risky modifications, this tune gives you usable power and peace of mind. If you're the kind of driver who expects reliability and performance to go hand in hand, this Light Tow calibration checks all the boxes.

Purpose Built Tuning With Safe Power For Working Trucks

The Light Tow Tune for the 2015 6.6L Duramax LML is designed to support towing loads under 8,000 pounds while maintaining safe exhaust temperatures and emissions compliance. It adds up to +80 rear-wheel horsepower and +144 ft-lbs of torque, calibrated specifically for consistent power delivery and cooler EGTs under moderate towing conditions. The tune features built-in SMART EGT control and air-to-fuel ratio limits that reduce soot production and protect key components during extended pulls. Over 100 changes are made to the factory ECM to improve torque management, throttle response, and shift strategy while keeping the turbo brake fully operational. Installation is done using EFI Live SPADE hardware, and no wiring modifications are needed to complete the flash. This tune is especially effective for landscapers, service trucks, and weekend haulers looking for better drivability without compromising long-term durability. It also improves trailer maneuverability at low speeds, helping you back up with confidence and control even in tight spaces.

Fitment: 2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• This tune is designed for towing loads under 8,000 lbs GVW.
• Emissions equipment must remain intact for legality and reliability.
• Optimized for everyday driving and seasonal towing needs.
• Includes Modified ECM hardware and HP Tuners RTD for installation.
• You must return your factory ECM to receive a $400 core refund.
• Requires 8 HP Tuners Universal Credits, which are included in price.
• Ideal for customers towing trailers, boats, UTVs, or small equipment.
• Not intended for towing over 8,000 lbs, consider Heavy Tow Tune instead.
• Custom SMART EGT control helps automatically manage exhaust temps.
• Recommended for users who want added power without compromising reliability.
• RTD hardware offers Bluetooth support and mobile compatibility.
• Not compatible with TCM tuning on 2020+ 10-Speed Allison transmissions.