50 State Legal FIVE Tune Pack incl EFI Live Spade

Features:

• Includes all five custom DuramaxTuner tunes
• 50 State Legal with CARB E.O. D-845
• Emissions equipment stays fully intact
• Sport Tune adds +135 HP and +243 ft-lbs
• Street Tune is perfect for daily driving
• Light Tow Tune designed for under 8,000 lbs
• Heavy Tow Tune supports towing up to GVW
• Custom SMART EGT Control for safe temps
• Over 100+ calibration changes per tune
• No splicing or wiring into sensors required
• Factory turbo brake retains full functionality
• Optimized Stock Tune great for troubleshooting

Unlock The Full Potential Of Your Duramax

If you’ve ever wished your 2014 Duramax could do more without compromising reliability, this FIVE Tune Pack from DuramaxTuner.com is your answer. Whether you’re towing, commuting, or just enjoying the open road, this setup lets you pick the perfect power level for the job. From aggressive acceleration with the Sport Tune to smooth, low-stress towing with the Heavy Tow Tune, each file is designed to bring out the best in your truck. And you don’t have to delete or tamper with emissions equipment to get it, this kit is 50 State Legal and keeps your truck compliant while still offering real performance gains. Daily drivers will love the refined Street Tune, while weekend warriors can switch to Light Tow or Optimized Stock when the time calls. All five tunes are packed into one device, giving you flexibility without compromise. It’s like having a toolbox of proven performance settings ready to go when you need them.

Custom Calibrations Built To Work With Your Life

The FIVE Tune Pack includes fully customized files backed by over 100 calibration changes from factory settings, all engineered with long-term drivability and reliability in mind. Each tune manages key engine systems, like air-fuel ratios, EGTs, pedal sensitivity, and torque limits, ensuring performance stays safe and consistent no matter the load or road. The included EZ Lynk AutoAgent 2.0 makes flashing your truck fast and painless, with full mobile compatibility and real-time data streaming. Every tune retains full use of the factory turbo brake and smart EGT control to keep towing safe and efficient. Whether you’re running bone stock or lightly modified, this system adapts to your needs without requiring messy wire taps or sensor hacks. From daily commutes to cross-country hauls, it’s built to keep your Duramax responsive, clean, and fully under your control.

Fitment: 2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• This FIVE Tune Pack is 50 State Legal (E.O. No. D-845).
• Includes Sport, Street, Light Tow, Heavy Tow, and Optimized Stock tunes.
• Tunes are emissions intact, no need to delete emissions equipment.
• EZ Lynk AutoAgent 2.0 is required and not included unless specified.
• Sport Tune is not recommended for towing without proper gauges.
• Heavy Tow and Light Tow tunes are designed with SMART EGT control.
• Heavy Tow tune supports towing up to full GVW (8,000+ lbs).
• Each tune includes over 100+ calibration changes from stock.
• Optimized Stock tune is ideal for troubleshooting or lending out your truck.
• EZ Lynk allows data logging, code reading, and real-time monitoring.
• TCM tuning is highly recommended for optimal shift performance and drivability.
• World-class customer support is available for setup and troubleshooting.