Switch on the Fly Tune Only for EFI Live Spade

Features:

• Includes five custom switchable tunes
• Change power levels while driving
• Fits 2010-2012 RAM 6.7L Cummins
• Emissions equipment remains fully intact
• 49 state legal configuration
• Up to +130 RWHP available
• Sport, Street, Tow, Stock modes
• No reflash required to switch
• Over 100 calibration changes per tune
• More power with reduced soot
• Requires EFI Live AutoCal V3
• Optimized for daily driving and towing

One Truck Five Personalities Ready Whenever You Are

Imagine being able to transform your 2010-2012 RAM 2500 or 3500 with the turn of a switch, no tools and no waiting around for a reflash. The DuramaxTuner Switch On The Fly tuning gives you five distinct custom calibrations that you can cycle through while driving, so the truck always matches your day. Headed to work and want smooth reliable power? Drop it into Street. Hooking up to a trailer under 8,000 pounds or pushing toward GVW? Light Tow and Heavy Tow are ready. Feeling like letting the 6.7L Cummins stretch its legs? Sport delivers up to 130 rear wheel horsepower and 234 lb-ft over stock for serious acceleration. Additionally, an Optimized Stock mode is there for troubleshooting or when someone else needs to drive the truck. It is total flexibility without removing emissions equipment, and it is built on more than a decade of real world switchable tuning experience.

Advanced Multi Tune Calibration Designed For Real World Demands

Under the hood, each of the five tunes is built with more than 100 calibration changes from stock, carefully adjusting fueling, timing, torque management, and airflow to suit its specific purpose. The system is designed to be safe for your engine and emissions equipment, with air fuel ratio limits in place to help control soot and maintain clean operation. Furthermore, switching between tunes does not require plugging in a separate device or reflashing the ECM, which makes it far more convenient than traditional single file tuning. The platform requires the EFI Live AutoCal V3 hardware, allowing secure flashing through the OBD port along with data logging for diagnostics. For automatic trucks, recommended TCM tuning works alongside the ECM calibration to improve line pressure, clutch holding capacity, and torque converter lockup strategy. This is especially important for trucks running larger tires, modified turbos, or built transmissions. Even ZF6 manual transmission trucks benefit from throttle mapping tailored to smooth shifts and strong usable power, ensuring the calibration complements how the truck is actually driven.

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

Notes:

• Fits 2010-2012 RAM 2500/3500 6.7L Cummins only.
• EFI Live AutoCal V3 hardware required.
• Additional EFI Live license required per vehicle.
• Emissions equipment must remain installed and functional.
• 49 state legal configuration available.
• Sport tune not recommended for heavy towing.
• Proper gauges required for high power use.
• TCM tuning strongly recommended for automatics.
• Especially important with larger tires or turbo upgrades.
• Optimized Stock mode useful for diagnostics.
• ZF6 manual trucks receive tailored ECM tuning.
• California Proposition 65 warning applies.