50 State SPADE Tuner

SPADE Tuner - 50 State Light Tow Tune incl EFI Live SPADE - LML (2014)

50 State SPADE Tuner

SPADE Tuner - 50 State Sport Tune incl EFI Live SPADE - LML (2014)

SPADE Tuner - 50 State Heavy Tow Tune incl EFI Live SPADE - LML (2014)

Our custom Heavy Tow tune is the safest way for those who tow big, tow heavy, or tow a lot. What's heavy? Over 8,000 lbs and up to your truck's 2014 Chevy Silverado or GMC Sierra GVWR (Gross Vehicle Weight Rating). Our fine tuned calibrations expertly optimize for power, torque, smoke and vehicle reliability. EFI Live SPADE hardware included. Have you made performance modifications to your truck? Check out our 49 State Legal Heavy Tow Tune


As low as $808.00

In stock

Customize SPADE Tuner - 50 State Heavy Tow Tune incl EFI Live SPADE - LML (2014)
EFI Live V3 AutoCal SPADE   + $508.00
Single Tune - GM - LML - 2011-2016   + $300.00

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50 State SPADE Tuner
SPADE Tuner - 50 State Heavy Tow Tune incl EFI Live SPADE - LML (2014)

In stock



    Our Heavy Tow Custom Tune

    • Emissions Intact – you do not remove your emissions equipment
    • 50 State Legal!
    • SPADE Tuning, Part No. #11-10, E.O. No. D-845, PDF
    • Have you made performance modifications to your truck? Check out our 49 State Legal Heavy Tow Tune


    • Safe for Towing Heavy
      • Increase power, not EGTs (Exhaust Gas Temperature)
      • Custom “SMART EGT Control” will automatically manage your EGTs
      • Air:Fuel Ratio limits built into calibration to limit soot production
      • Designed to tow 8,000 lbs – GVW
      • Factory turbo brake retains complete functionality
    • Horsepower & Torque Increase +40 RWHP, +72 ft-lbs
      • Get your trailer up and moving more quickly
      • Lug in the gear you want while towing
      • Have enough power to “Shift Up, Throttle Back”
    • Revised pedal sensitivity
      • Low speed trailer maneuvering
        Back up with trailer without lurching
    • Custom Tuning from DuramaxTuner.com
      • Fully customized tuning with more than 100+ calibration changes from stock
      • No hacking wires into control units or fuel pump and turbo sensors
      • More power and less soot than box programmers
      • World Class Customer Service team that actually answers the phone!

    Who Benefits from this Tune?

    • Over-the-road driver or tows things for living
    • Large boat owners
    • Pulls construction equipment
    • Welding rig with lots of added weight
    • Need to tow in the toughest situations
    • Tow trucks and heavy service trucks
    • Tows 10,000 miles or more every year
    • Tows through hills, mountains and inclines
    • You can use this to tow lighter, but you'll get slightly better MPG with our Light Tow tune
    • Better yet, get all five of our custom tunes with Switch on the Fly 

    SPADE / EFI Live Autocal v3 Included

        • 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
        • EFiLive License is included in this price

    Recommended Transmission Tuning

    Why do you need TCM Tuning?

        • Works with ECM Tuning to provide smooth shifting and superior drive-ability
        • Torque converter lockup strategy helps you put power to the ground when you need it the most
        • Improve clutch holding capacity with increased line pressure
        • Makes your truck feel more powerful
        • Prevents short-shifting in performance applications
        • TCM Tuning in the best tool to ensure your engine is operating within its preferred rev range

    TCM Tuning is especially important for trucks with:

        • Custom ECM Tuning
        • Larger tires (35”+)
        • Modified turbo(s)
        • Built transmission
        • Any modification that impacts operating RPMs

    Towing & Performance

        • Use the wider torque curve provided by ECM Tuning
        • Keep your truck in its power-band when lugging up a grade
        • Quicker shifts mean less time between gears and more time putting power to the ground
        • Optimize your aftermarket performance parts

    Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov