Sport Tune incl EFI Live SPADE

Features:

• Up to 135 HP increase
• Up to 243 lb-ft torque gain
• 532 HP and 1008 lb-ft total
• 49 State Legal emissions compliant
• Emissions equipment remains fully intact
• Fastest possible legal acceleration
• Firm shifting performance feel
• No dead pedal throttle response
• Over 100 calibration changes
• Includes EFI Live AutoCal V3
• Professional custom tuning support
• Retains factory turbo brake function

Maximum Street Legal Power For Your 2014 LML Duramax

If you have been craving serious power out of your 2014 Silverado or Sierra 2500HD or 3500HD, this Sport Tune is where things get exciting. With gains of up to 135 horsepower and 243 lb-ft of torque, your truck jumps to life with a level of acceleration you can feel immediately. Throttle response is sharp and instant, eliminating that sluggish dead pedal sensation and replacing it with confident, aggressive pull. The added power carries hard through the midrange, making highway merges, passing, and spirited driving feel effortless. Even with that performance increase, your emissions equipment stays fully intact and the calibration remains 49 State Legal. Firm shifting gives the truck a tighter, more performance focused character without feeling sloppy or uncontrolled. This is the kind of upgrade that reminds you why you bought a Duramax in the first place.

Advanced EFI Live Calibration Built For Serious Output

Under the hood, this Sport Tune is powered by a fully custom calibration from DuramaxTuner.com that includes more than 100 changes from stock programming. Fuel delivery, torque management, and throttle mapping are carefully refined to deliver maximum legal output while maintaining smart control of engine parameters. The included EFI Live AutoCal V3, also known as the SPADE device, allows simple OBD flashing along with data logging for diagnostics and monitoring. This gives you the ability to track performance and ensure everything is operating as intended. When paired with recommended TCM tuning, shift timing and torque converter lockup strategy are optimized to help put the added torque to the ground effectively. While the truck can tow on this tune, proper gauges including EGT monitoring are strongly recommended due to the increased output. For owners planning supporting upgrades such as lift pumps or transmission enhancements, this calibration provides a strong foundation that works seamlessly with future modifications.

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

Notes:

• Fits 2014 GM 6.6L Duramax LML only
• 49 State Legal emissions compliant
• Emissions equipment must remain installed
• Designed for maximum legal power output
• Not recommended for frequent heavy towing
• EGT and supporting gauges strongly advised
• Transmission tuning highly recommended
• Supporting fuel system upgrades encouraged
• Best for experienced tuned truck drivers
• EFI Live license required per vehicle
• AutoCal V3 included for flashing
• California Proposition 65 warning applies