Switch on the Fly Tune incl EFI Live Spade

Features:

• Includes five custom tunes in one package
• Switch tunes instantly while driving
• SPADE EFI Live AutoCal V3 device included
• Emissions intact and 50-state legal
• Peak gains of +135 HP and +243 ft-lbs
• Custom SMART EGT control built into tuning
• Designed for towing, daily driving, or performance
• No re-flashing required to change power levels
• More power and less soot than box tuners
• 100+ calibration changes for improved performance
• Retains full factory turbo brake function
• World-class phone support from DuramaxTuner.com

One Tune For Every Situation Right At Your Fingertips

If you’re tired of being locked into a single tune and want real flexibility from your 2016 Duramax, this Switch-On-The-Fly Tune Pack from DuramaxTuner.com is the upgrade you’ve been looking for. It comes loaded with five custom-calibrated tunes that you can switch between while driving, no laptop, no re-flashing, no hassle. Whether you're towing a trailer, daily driving, or just want to put your foot down and feel all 135 extra horses, this setup lets you tailor your power to the job at hand. The tunes are emissions intact and fully street legal in all 50 states, so you can stay compliant without giving up performance. From the mild-mannered Optimized Stock tune to the adrenaline-pumping Sport mode, you get a clean, safe way to unlock your truck’s full potential. It’s perfect for drivers who use their truck for everything, from hauling heavy loads through the hills to enjoying a fun, responsive ride around town. And with support from a tuning company that answers the phone and knows these trucks inside and out, you’re in good hands from start to finish.

Proven Tuning Strategy With Seamless On Road Integration

This Switch-On-The-Fly tuning package is built for the 2016 GM 6.6L LML Duramax and includes a full set of custom calibrations flashed through the EFI Live SPADE AutoCal V3 device. Unlike box programmers that simply raise limits and call it a day, DuramaxTuner.com’s SOTF tunes implement over 100 refined changes to the factory ECM. These include torque management, turbo response, fuel delivery, shift timing, pedal mapping, and more, all optimized for driveability and long-term reliability. The five-tune setup includes Sport, Street, Light Tow, Heavy Tow, and Optimized Stock, each crafted to suit different use cases while retaining factory turbo brake function and emissions components. SMART EGT control and air-fuel ratio management help keep temps in check, especially while towing. Switching between power levels happens in real-time from inside the cab, giving drivers full control without ever needing to re-flash. With years of tuning experience behind it, this package is ideal for performance enthusiasts, daily drivers, and heavy haulers alike who want smooth integration and safe power gains without cutting corners.

Fitment: 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Includes five custom tunes with real-time switching
• SPADE EFI Live AutoCal V3 hardware is included
• EFI Live license is included with hardware purchase
• Compatible with 2016 GM 6.6L LML Duramax only
• Switch-On-The-Fly tuning does not require re-flashing
• Emissions intact and 50-state legal under CARB EO D-845
• Tunes include Sport, Street, Light Tow, Heavy Tow, and Optimized Stock
• Not recommended to use Sport Tune for towing
• Transmission tuning is strongly recommended for best performance
• Supports trucks with larger tires, turbos, or built transmissions
• Requires additional license for each new vehicle tuned
• Backed by DuramaxTuner.com’s expert phone support