Street Tune incl EFI Live SPADE

Features:

• Fits 2014 6.6L Duramax LML
• 50 state legal emissions compliant
• Emissions equipment remains fully intact
• Plus 110 RWHP and 198 lb ft
• Smooth responsive daily driving power
• No dead pedal throttle response
• Retains factory turbo brake function
• Over 100 calibration changes
• More power less soot than programmers
• Includes EFI Live AutoCal V3
• EFILive license included for one vehicle
• Compatible with transmission tuning upgrades

Everyday Power That Makes Your 2014 LML Feel Alive

If you miss the feeling of a strong diesel pulling hard through the gears, this Street Tune for your 2014 Silverado or Sierra 2500HD or 3500HD LML brings that excitement back. With gains of plus 110 rear wheel horsepower and 198 lb ft of torque, the truck feels lighter and far more responsive without sacrificing reliability. The throttle responds exactly how you want it to, eliminating that sluggish dead pedal sensation that can hold these trucks back. Additionally, the smooth power curve makes daily driving more enjoyable whether you are merging onto the highway or just cruising through town. Factory turbo brake functionality remains intact, so you keep the control you rely on when slowing down with a load. This tune is ideal for drivers who tow occasionally under 8000 pounds but want a truck that feels strong and fun the rest of the time. It is the perfect balance between real world drivability and noticeable performance gains.

Precision Street Calibration With Included AutoCal V3 Hardware

Engineered specifically for the 2014 6.6L Duramax LML, this Street Tune is certified 50 state legal and keeps all emissions equipment fully operational. The calibration includes more than 100 changes from stock, refining fuel delivery, torque management, and throttle mapping to deliver controlled and consistent performance. Furthermore, it produces more usable power with less soot than typical box programmers, all without modifying factory sensor wiring. The included EFI Live AutoCal V3 device allows simple handheld flashing and provides data logging capabilities for diagnostics and monitoring. An EFILive license is included for one vehicle, giving you flexibility for future updates. Transmission tuning is strongly recommended to optimize shift timing and torque converter lockup, especially on trucks with larger tires or additional modifications. For owners who want refined daily performance backed by professional calibration strategy, this Street Tune delivers a well rounded and compliant solution.

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

Notes:

• Fits 2014 6.6L Duramax LML only
• 50 state legal with emissions intact
• Emissions equipment must remain installed
• Includes EFI Live AutoCal V3 device
• EFILive license valid for one vehicle
• Not intended for heavy towing use
• Monitor gauges when towing occasionally
• Switch on the Fly recommended for towing
• TCM tuning strongly recommended
• California Prop 65 warning applies