Heavy Tow Tune incl EFI Live Spade

Features:

• Heavy Tow Custom Tune included
• Designed for 2010-2012 6.7L Cummins
• Safe for heavy towing applications
• +20 RWHP and +36 lb-ft torque
• Smart EGT control protects engine
• Emissions equipment remains fully intact
• Improved throttle response and pedal sensitivity
• Reduced soot with optimized air fuel ratios
• Retains full factory exhaust brake function
• Includes EFI Live AutoCal V3 device
• No wire splicing or sensor modifications
• Over 100 calibration changes from stock

Built To Pull Hard And Stay Cool When The Load Gets Serious

When your 2010-2012 RAM 2500 or 3500 is hooked to a heavy trailer, confidence matters more than peak dyno numbers. The DuramaxTuner Heavy Tow Tune is built for that exact moment when you are merging onto the highway with 8,000 pounds behind you and need smooth, controlled power right now. You gain a healthy bump of 20 rear wheel horsepower and 36 lb-ft of torque, but the real win is how the truck delivers it. Throttle response is refined so you can ease into tight trailer maneuvers without lurching, and roll into the pedal to get moving without excessive heat. Smart EGT control works in the background to manage exhaust gas temperatures automatically, so you can climb grades without watching the gauge every second. Additionally, the factory exhaust brake keeps full functionality, giving you steady control on long downhill stretches. This tune keeps your emissions equipment intact, so you get stronger performance without compromising the systems your truck was built with.

Advanced Calibration Strategy Engineered For Reliable Heavy Towing Performance

Under the hood, this Heavy Tow Tune is far more than a basic power adder. It features over 100 calibration changes from stock, carefully designed to improve airflow, optimize air fuel ratios, and reduce soot production under load. The tuning increases power without driving up EGTs, thanks to built in safeguards and intelligent fuel and boost management. Furthermore, revised pedal mapping and torque management allow you to lug in the gear you want while towing, helping you shift up and throttle back instead of constantly hunting for the right gear. The included EFI Live AutoCal V3, also known as the SPADE device, makes flashing your truck through the OBD port simple and secure with no wire splicing or sensor tampering. You can log engine data for diagnostics and apply future updates as needed, and the required EFI Live license is already included. For trucks equipped with the 68RFE, optional transmission tuning is recommended to optimize line pressure, shift points, and torque converter lockup, allowing the 6.7L Cummins to use its full torque curve without sacrificing reliability.

Fitment: 2010, 2011, 2012 RAM 2500/3500 6.7L Cummins

Notes:

• Designed specifically for 2010-2012 RAM 2500/3500 6.7L Cummins models.
• Emissions equipment must remain installed and fully functional.
• Tune is optimized for heavy towing around 8,000 lbs GVW.
• Light Tow tune may provide slightly better MPG for lighter loads.
• EFI Live AutoCal V3 device and license are included.
• Device can flash multiple trucks, but each requires its own license.
• Up to 600 VIN slots available on the AutoCal V3.
• No wire splicing or sensor modifications are required.
• 68RFE transmission tuning is strongly recommended for heavy towing.
• No transmission tuning currently available for Aisin applications.
• Manual G56 trucks receive engine tuning tailored to manual operation.
• Individual tunes and licensing required for additional vehicles.