- EMISSIONS INTACT 50 State Legal Custom Performance Tuning
- California Legal!
- Add up to +135 RWHP & +243 lb/ft TQ to your Duramax
- Includes CARB EO Sticker
- Single Tune Options Available:
- Heavy Tow (8K lbs to GVWR)- +40 RWHP, +72 ft-lbs
- Light Tow (up to 8K lbs) - +55 RWHP, +99 ft-lbs
- Street (Daily) - +110 RWHP, +198 ft-lbs
- Sport (Race / Weekend) - +135 RWHP, +243 ft-lbs
- Choose 5 Tune Pack to get options above plus:
- Optimized Stock (Valet)
- DOES NOT DELETE EMISSIONS EQUIPMENT OR WORK WITH DELETED TRUCKS
- Transmission (TCM) Tuning Sold Separately
Availability: Limited Time Offer - Receive FREE TCM Tuning with SOTF Tuning Purchase - $300 Value!
Calibrated Power Solutions 50 State Legal Emissions Intact EFI Live tuning packages include everything you need to tune your 2011-2016 LML Duramax equipped Chevy Silverado or GMC Sierra 2500 or 3500 HD. Legal for use in the State of California. Does NOT delete or tamper with emissions equipment to get the best performance out of your truck.
Calibrated Power's LML Tuning Packages unlock the power potential of your truck.
The factory rated output for the LML is 397 HP and 765 ft-lbs of torque. This is an improvement from previous models but pales in comparison to the +135 RWHP you'll have access to with custom performance tuning.
Duramaxtuner's tuning options give you the power to tow light or heavy, fun daily driving, and the most performance we can unleash from your engine. Have the cleanest and most reliable tunes available with the power level you need right at your fingertips.
Get Single or 5 Tune Pack LML 50 State Legal EFI Live Custom Tunes
Emissions Intact – you do not remove your emissions equipment
California Legal - CARB Approved, Includes EO Sticker
Do you need DuramaxTuner.com 5 Tune Pack?
Total flexibility to select the power level you need
Designed to be safe for your engine and emissions equipment
Fully customized tuning with more than 100+ calibration changes from stock
More power and less soot than box programmers
World Class Customer Service Support from the team at Calibrated Power Solutions / Duramaxtuner!
Low speed trailer maneuvering Back up with trailer without lurching
Optimized Stock
Slight revisions to factory calibration
No significant increase of peak power
Good for troubleshooting a physical problem with your truck
Great for when someone else drives your truck
SPADE / EFI Live Autocal V3 Required
SPADE (Standalone Programming And Diagnostic Equipment)
a.k.a. EFILive AutoCal V3
Simple to use, handheld OBD flashing (programming) hardware
Scan tool – Log engine data for trouble shooting and diagnostics
Flash unlimited number of updates for your truck
Flash multiple trucks with the same device
Individual tunes and license required for each new truck
Up to 600 VIN slots available
If you already have the hardware from another vehicle you will need an additional license and we will need the Serial Number and Auth Code for your device
50 State Compliant CARB EO D-845 #11-10, D-845 #11-11
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Michael B. Verified Customer
11-05-25
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Corey R. Verified Customer
11-05-25
Very easy sight to Navigate and customer service has been great so far.
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Matt W. Verified Customer
11-05-25
Have never had an issue with their products and their intel and customer service has always been extremely professional
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