SKU: DMTDT8150010107040

Optimized Stock Tune incl EFI Live SPADE

Ships From Manufacturer in 3-5 Days
Confirmed fitment below
YEARS
2014
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LML
Price
$808
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PRODUCT DETAIL

Key Features & Description

Features:

  • Emissions equipment remains fully intact
  • 50 state legal for emissions compliance
  • Includes EFI Live SPADE AutoCal v3
  • Ideal for stock or lightly modified trucks
  • Reduces smoke output during operation
  • Slight adjustments to factory calibration
  • Good for diagnosing mechanical issues
  • Safe option when letting others drive
  • Useful for setting custom tire size
  • Great for first-time diesel tuners
  • No peak power gains added
  • Compatible with switch-on-the-fly setups

When You Want Control Without Adding Power

Not every tune has to be about chasing big horsepower numbers. Sometimes you just want better drivability, less smoke, and a more refined experience behind the wheel. The Optimized Stock Tune with EFI Live SPADE for your 2014 Duramax gives you just that. It’s perfect for guys who aren’t looking to push the limits but still want something that runs cleaner and smoother than factory. Maybe you’ve added a cold air intake or bigger tires and just need the computer to keep up. Or maybe you let your kid or buddy borrow the truck and want to make sure they’re not getting too wild. Either way, this tune gives you confidence and flexibility without going overboard. It’s also 50 state legal, so you don’t have to worry about emissions inspections holding you back.

Smart Reliable Tuning For Everyday Diesel Drivers

This Optimized Stock Tune is designed for the 2014 6.6L LML Duramax and comes preloaded on EFI Live’s SPADE AutoCal v3 device. The tune keeps emissions equipment intact and makes slight adjustments to factory calibration for better performance without increasing peak power. It’s ideal for troubleshooting, calibrating tire size, or optimizing mild upgrades like an aftermarket intake. You’ll notice improved throttle response, reduced smoke output, and a more consistent feel while driving. This tune also works great for transmission tuning and integrates with switch-on-the-fly setups. It’s a smart pick for drivers who want a smoother-running truck without the added stress of higher output tuning. Plus, EFI Live’s hardware allows for diagnostics, logging, and easy updates whenever needed.

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

Notes:

  • Includes EFI Live SPADE AutoCal v3 tuning device.
  • Emissions intact and 50-state legal (CARB approved).
  • Ideal for stock or lightly modified 2014 LML Duramax trucks.
  • Does not increase peak horsepower or torque.
  • Slight calibration changes for smoother drivability.
  • Useful for trucks with larger tires or minor upgrades.
  • Helps troubleshoot physical or sensor-related issues.
  • Recommended when letting someone else drive your truck.
  • Works well for transmission tuning only users.
  • Can help eliminate TPMS-related issues from tire size changes.
  • Tow-friendly, but lacks added power of tow-specific tunes.
  • SPADE can flash multiple trucks with separate licenses.
  • Includes EFILive license when purchased with SPADE device.

 

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2014
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LML

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