Street Tune incl EFI Live SPADE

Features:

• Includes EFI Live AutoCal V3 hardware
• Gain up to +110 HP and +198 torque
• No dead pedal or laggy throttle response
• Improves drivability for daily and weekend use
• Retains full factory emissions equipment
• 49-state legal with emissions intact tuning
• Custom tuning with over 100 ECM changes
• Retains factory turbo-braking functionality
• More power and less soot than box tuners
• No wire cutting or sensor hacking required
• Flashes multiple trucks with separate licenses
• World-class support with real phone service

Give Your Duramax The Power It Deserves

If your 2012 Silverado or Sierra 2500HD or 3500HD feels like it's holding back, this Street Tune with EFI Live SPADE is exactly what you’ve been waiting for. With gains up to +110 rear-wheel horsepower and +198 ft-lbs of torque, this custom tune breathes new life into your truck without touching your emissions system. The result is a smoother, faster, more responsive driving experience that makes your truck feel lighter and more fun behind the wheel. Whether you commute daily or just like showing off your truck on the weekends, this tune delivers that extra punch you've been missing. The throttle feels tighter and more precise, giving you the confidence to pull into traffic or merge on the highway without hesitation. Plus, it still retains key factory functions like turbo braking and OEM reliability, so you're not trading safety or drivability for performance. If you've never tuned a diesel before, this is the kind of transformation that makes you wonder why you waited so long.

Calibrated Precision Built For Durability And Performance

This isn’t just a basic canned tune, it’s a fully customized recalibration with over 100 ECM changes, built specifically for the 2012 6.6L Duramax LML platform. The included EFI Live AutoCal V3 hardware makes flashing your truck easy from home, giving you full control without opening a single wire harness or tapping into sensitive sensors. Every part of the tuning process is designed to preserve long-term reliability while unlocking maximum safe power for emissions-equipped trucks. With improved throttle mapping, refined torque management, and a smoother power curve, this tune delivers clean performance with noticeably less soot than most box programmers. It's built to work hand-in-hand with factory systems, retaining vital features like turbo braking while enhancing the overall drive feel. Whether your truck is bone stock or lightly modified, this calibration adjusts to your setup for optimal results. For those planning to run larger tires or towing occasionally, pairing this with recommended TCM tuning ensures smooth shifts and ideal power delivery at any RPM.

Fitment: 2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• This tune is 49-state legal and emissions intact
• Not intended for regular or heavy towing use
• Excessive load or abuse may cause mechanical issues
• Switch on the Fly tuning is recommended for towing
• EFI Live AutoCal V3 SPADE device is included
• EFILive license is included with this package
• Each additional vehicle will require a separate license
• This is a single Street Tune, not multiple tunes
• TCM tuning is strongly recommended for best results
• TCM tuning improves shift quality and power delivery
• Custom tunes are non-refundable once delivered
• This product is not legal for sale in California