Street Tune incl EFI Live SPADE

Features:

• Fits 2011 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

Bring Everyday Excitement Back To Your 2011 LML

If your 2011 Silverado or Sierra 2500HD or 3500HD LML feels a little too tame, this Street Tune is the upgrade that wakes it up without going overboard. With gains of plus 110 rear wheel horsepower and 198 lb ft of torque, the truck accelerates harder and feels noticeably lighter on its feet. The throttle response is crisp and immediate, eliminating that dead pedal feeling that can make the factory tune seem lazy. Additionally, the smooth power curve keeps the truck enjoyable and predictable whether you are commuting during the week or cruising on the weekend. Factory turbo brake functionality remains fully intact, so you still have 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 stronger performance the rest of the time. It strikes a balance between fun and reliability that makes you look forward to driving your truck again.

Professionally Engineered Street Calibration With Included AutoCal V3

Designed specifically for the 2011 6.6L Duramax LML, this Street Tune is certified 50 state legal and keeps all emissions equipment in place. The calibration incorporates more than 100 changes from stock, refining fuel delivery, torque management, and throttle mapping for 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 makes flashing simple and also provides data logging for diagnostics and monitoring. An EFILive license is included for one vehicle, giving you room for future updates if your build evolves. Transmission tuning is strongly recommended to optimize shift timing and torque converter lockup, especially on trucks with larger tires or added power. For owners who want daily drivability backed by serious calibration work, this Street Tune delivers a refined and compliant performance upgrade.

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

Notes:

• Fits 2011 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 ideal 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