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    LLY Duramax Tuners & Programmers


    Maximize power, torque, and fuel efficiency on your 2004.5–2005 LLY Duramax with premium tuners and programmers. Designed for easy installation and precise control over engine parameters, these devices allow you to customize fuel maps, improve throttle response, and optimize towing performance. Trusted by diesel enthusiasts, our tuners and programmers deliver safe, reliable gains for stock and modified Duramax engines.

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    Duramax Evolution CTS3 | California Edition Edge 85401-201
    Duramax Evolution CTS3 | California Edition Edge 85401-201 $799.95
    Fits: Duramax 2001-2016
    Duramax 2001-2016 Evolution CTS3 Tuner Edge 85400-200
    Duramax 2001-2016 Evolution CTS3 Tuner Edge 85400-200 $723.95
    California Restricted
    Fits: Duramax 2001-2016
    Evolution CS2 Programmer Edge 85300
    Evolution CS2 Programmer Edge 85300 $499.95
    California Restricted
    Fits: Duramax 2001-2016 | Powerstroke 1994-2019 | Cummins 2003-2012
    Evolution CS2 | California Edition Edge Products 85301
    Evolution CS2 | California Edition Edge Products 85301 $499.95
    Fits: Ford 1994-2010 | Dodge Ram 2003-2012 | Duramax 2001-2016
    Edge Products 21501-3 Juice With Attitude CTS3 Monitor
    Edge Products 21501-3 Juice With Attitude CTS3 Monitor $1,299.95
    California Restricted
    Fits: LLY Duramax
    LLY Duramax DSP5 Switch Fish Tuning FTDSP5LLY
    LLY Duramax DSP5 Switch Fish Tuning FTDSP5LLY $45.99
    Fits: LLY Duramax 2004.5-2005
    Duramax 01-15 Evo HT2 Programmer Edge 26040
    Duramax 01-15 Evo HT2 Programmer Edge 26040 $449.95
    California Restricted
    Fits: Duramax 2001-2015
    Duramax Automind Programmer Banks 66411
    Duramax Automind Programmer Banks 66411 $439.00
    California Restricted
    Fits: Duramax 2001-2016
    Scorcher HD Module AFE 77-44006
    Scorcher HD Module AFE 77-44006 $447.00
    Fits: Duramax 2004.5-2010
    Duramax GM Flashcal For Truck Calibration Tool Superchips 2545
    Duramax GM Flashcal For Truck Calibration Tool Superchips 2545 $278.95
    Fits: Duramax 2001-2016
    Flashpaq F5 Tuner | California Edition Superchips 4845
    Flashpaq F5 Tuner | California Edition Superchips 4845 $449.95
    Fits: Powerstroke 99-10 | Duramax 01-15 | 5.9L/6.7L Cummins 03-12
    Duramax Superchips 2845 Flashpaq F5 Tuner
    Duramax Superchips 2845 Flashpaq F5 Tuner $449.95
    California Restricted
    Fits: Duramax 2001-2016
    Duramax Dashpaq+ In-Cab Tuner Superchips 20501
    Duramax Dashpaq+ In-Cab Tuner Superchips 20501 $799.95
    California Restricted
    Fits: Duramax 2001-2016
    EVOHT2 | California Edition Edge Products 86040
    EVOHT2 | California Edition Edge Products 86040 $449.95
    Fits: 6.4 Powerstroke 2008-2010 | Duramax 2001-2010 | Cummins 2003-2012
    Triple Dog GT Platinum Diesel Downloader Bully Dog 40420
    Triple Dog GT Platinum Diesel Downloader Bully Dog 40420 $469.00
    California Restricted
    Fits: Powerstroke 1999-2019 | Duramax 2001-2016 | Cummins 2003-2021 (2018-2021 Requires 42215 bypass cable)
    Banks Power Six-Gun Diesel Tuner 63717
    Banks Power Six-Gun Diesel Tuner 63717 $642.00
    California Restricted
    Fits: LLY Duramax
    Duramax Tuning SOTF Switch Bracket GDP GDP42001
    IN STOCK
    Duramax Tuning SOTF Switch Bracket GDP GDP42001 $23.99
    Fits: Duramax 2001-2016
    OBDII Splitter Auto Meter 5323
    OBDII Splitter Auto Meter 5323 $44.05
    Fits: Universal
    Do Not Flash OBDII Cover Daystar KU71124BK
    Do Not Flash OBDII Cover Daystar KU71124BK $16.54
    Duramax 04.5-10 EAS SOTF Kit (for CS2|CTS2) Edge 98654
    Duramax 04.5-10 EAS SOTF Kit (for CS2|CTS2) Edge 98654 $274.95
    Fits: Duramax 2004.5-2010
    OBD II Splitter GDP GDP11014
    IN STOCK
    OBD II Splitter GDP GDP11014 $15.99
    Fits: Universal
    OBDII Splitter Edge 98106
    OBDII Splitter Edge 98106 $61.65
    Fits: 1996 and Newer OBD II Vehicles
    EAS Power Switch with Starter Kit Edge 98609
    EAS Power Switch with Starter Kit Edge 98609 $210.95
    Fits: Edge Products CTS2 | CTS3
    EAS Power Switch - Without Starter Kit Edge 98619
    EAS Power Switch - Without Starter Kit Edge 98619 $159.95
    Fits: Fits Edge CS2/CTS2 and CTS3
    Longhorn Fab 200960 Cigarette Lighter DSP5 Switch Mount
    Longhorn Fab 200960 Cigarette Lighter DSP5 Switch Mount $12.61
    Fits: LB7|LLY|LBZ Duramax 2001-2007