Switch on the Fly Tune incl EFI Live Spade

Features:

• Includes five custom switch-on-the-fly tunes
• Emissions intact and 49-state legal tuning
• Improves throttle response and eliminates dead pedal
• Sport tune adds up to 100 RWHP
• Light and heavy tow tunes available
• Maintains full factory turbo brake function
• Reduces soot compared to box programmers
• Safe for engine and emissions equipment
• Custom SMART EGT control manages exhaust temps
• Designed specifically for 2018 6.7L Cummins RAM
• Includes EFI Live AutoCal V3 and license
• Optional 68RFE transmission tuning recommended

Experience A Whole New Level Of Control In Your 2018 Cummins

If you’ve ever wanted your 2018 6.7L Cummins to feel more responsive, more powerful, and more adaptable to whatever you’re doing that day, this Switch On The Fly tuning package makes it happen in the simplest way possible. With five custom tunes at your command, you can roll from a tow‑friendly calibration to a street or sport tune without stopping or plugging in anything. It gives you the freedom to shape your truck’s power delivery to the job at hand, whether you’re hauling a heavy trailer or just enjoying an empty stretch of road. The difference in drivability is something you feel right away, with noticeably stronger throttle response and none of that dead pedal hesitation. Better yet, the tuning is designed to stay emissions intact, so you enjoy real performance gains without removing any factory components. Everything is built to be safe for your engine, your emissions system, and your daily routine. It’s a simple upgrade that makes your Ram more enjoyable to drive every single day while giving you access to power levels you never had before.

Purpose Built Calibrations Designed For The 2018 Cummins Platform

DuramaxTuner’s Switch On The Fly setup reworks the factory calibration with more than one hundred targeted adjustments that optimize fueling, torque management, and throttle behavior across all five tune levels. The included EFI Live AutoCal V3 serves as your programming tool and data logger, giving you the flexibility to update and refine your truck’s software whenever needed. The sport tune delivers up to 100 rear wheel horsepower and 180 foot pounds of torque, while towing tunes rely on SMART EGT control and air fuel ratio limits to keep temperatures in check under load. Each file is built specifically for the 2018 Cummins, so the tuning maintains proper turbo brake operation and avoids any need for cutting into wiring or altering sensor signals. For trucks with the 68RFE transmission, optional TCM tuning is recommended to improve shift timing, raise line pressure, and strengthen clutch holding capacity to match the added power. The package also supports Aisin and G56 equipped trucks with calibrations tailored to how those drivetrains behave. With its blend of engineering precision and real world testing, this tuning package gives your Cummins a wider, more usable powerband without sacrificing reliability.

Fitment: 2018 RAM 2500/3500 6.7L Cummins

Notes:

• Includes all five custom tunes pre-loaded
• Switch tunes on the fly while driving
• Designed for emissions intact operation
• EFI Live AutoCal V3 device is included
• Sport tune adds up to 100 RWHP and 180 ft-lbs
• Heavy Tow tune designed for loads up to GVW
• SMART EGT control helps manage exhaust temps
• Air-fuel ratio limits reduce soot production
• Transmission tuning highly recommended for 68RFE
• Compatible with Aisin and G56 transmissions
• No need to cut or modify any wiring
• DuramaxTuner offers support with phone-based tuning help