Sport Tune incl EFI Live SPADE

Features:

• Gain up to +135 HP and +243 torque
• 532 HP and 1008 ft-lbs total output
• Includes EFI Live AutoCal V3 hardware
• Emissions intact and 50-state legal tune
• No dead pedal or throttle delay
• Fastest possible acceleration for your Duramax
• Firm shifting for a sportier drive feel
• Ideal for trucks with supporting performance mods
• Built-in air/fuel ratio and soot control
• Custom tuning with 100+ ECM calibration changes
• Designed for private or controlled use only
• Recommended TCM tuning for best drivability

This Is Where A Duramax Becomes A Different Animal

If you want the hardest hitting tune you can legally run while keeping emissions intact, this Sport Tune delivers exactly that feeling. The first time you roll into the throttle, the truck pulls with an urgency that feels nothing like stock, delivering massive horsepower and torque that put a grin on your face instantly. Throttle response is sharp with no dead pedal, and acceleration comes on fast and strong through the entire powerband. This tune is built for drivers who want the most power available and plan to keep pushing their truck further with supporting upgrades. It is the kind of tune that reminds you why diesel performance is addictive in the first place. While it can technically tow, this setup is clearly aimed at spirited driving and controlled environments where power is the priority. If you have ever owned a modified diesel and miss that rush without wanting constant headaches, this tune brings it back the right way.

Maximum Legal Power Built On Proven Calibration Strategy

The Sport Tune for the 2011 6.6L Duramax LML is a fully customized calibration featuring more than 100 changes to the factory ECM. With gains up to +135 horsepower and +243 ft-lbs of torque, this tune delivers the highest output possible while remaining emissions intact and covered under E.O. No. D-845. Power delivery is aggressive but controlled, with revised throttle mapping and fueling strategies that reduce soot compared to typical box programmers. Firm shift behavior is supported through recommended TCM tuning, which improves clutch holding capacity and torque converter lockup under heavy load. This tune is best paired with proper supporting modifications such as a lift pump, transmission tuning, and improved airflow to ensure reliability. EFI Live AutoCal V3 hardware is included, allowing simple OBD flashing without cutting or modifying factory wiring. For trucks equipped with the ZF6 manual transmission, the calibration is designed to bring power in smoothly through the pedal for clean shifts and controlled acceleration.

Fitment: 2011 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• This is a single Sport Tune, not Switch on the Fly
• Emissions equipment must remain installed and functional
• 50-state legal with E.O. Number D-845
• EFI Live AutoCal V3 device is included
• Not intended for daily towing or heavy load use
• Gauges must be monitored during aggressive use or towing
• Requires supporting mods for safe long-term use
• Recommended upgrades include lift pump, intake, and transmission tuning
• Excessive abuse may lead to mechanical damage
• Best used during competition or controlled environments
• Custom tunes are non-refundable once delivered
• ZF6 manual trucks are supported with throttle mapping strategy