Edge 21401 CS2 Juice with Attitude Tuner | 04 05 GM 6.6L Duramax LLY


The 21401 Edge CS2 Juice w/Attitude will add HP, Torque and help with your truck fuel economy.
The Edge Juice CS2 Diesel boasts an easy use 2.4” Color Screen.
Add more power to your:
2004.5-2005 Chevrolet Silverado 2500Hd 6.6L Diesel LLY
2004.5-2005 Chevrolet Silverado 3500 6.6L Diesel LLY
2004.5-2005 GMC Sierra 2500HD 6.6L Diesel LLY
2004.5-2005 GMC Sierra 3500 6.6L Diesel LLY

See item description for more details and video.

6 in stock


EDGE 21401 CS2 Duramax

Edge 21401 CS2 Juice w/Attitude Tuner for
2004.5-2005 GM Duramax 6.6L LLY  Diesel
Chevrolet Silverado 2500HD 3500
GMC Sierra 2500HD 3500
(See Below For Detailed List)
Edge Juice w/Attitude CS2 Has It All

The Edge 21401 Juice w/Attitude CS2 unlocks the potential of your diesel engine. Once you buy the CS2 you’ll be wondering how you ever lived without this amazing tuner. The CS2 reprograms your stock computer with a few button pushes with your finger for better horse power, torque and quite frankly, awesomeness.

The Edge 21401 CS2 has a slimmer and sleeker screen that is a whopping 2.4″ full color, high resolution display. The larger screen allows for the user to use the upgraded interface that will allow custom screen backgrounds, a custom color mixer for the vehicle gauge arcs and needles. The larger screen also makes it a lot easier to navigate to all your vehicle vitals and engine data.

Edge 21401 CS2 Juice w/Attitude Features

Slim, sleek case w/2.4” full–color, High-Resolution Button Control screen
Multiple Power Levels; Mileage – Towing – Performance
Compatible with Optional EGT Pyrometer for Engine Protection
(CLCIK HERE to View EAS EGT Sensor Kit)
Compatible with optional Edge Accessory System (EAS)
EAS Allows the User to Connect Multiple and Additional Accessories
(CLCIK HERE to View All EAS Accessories)
Includes Light Sensitivity Meter(Dims Screen as Ambient Light Decreases)
Internet Updateable (cable included)
Displays and Clears Diagnostic Trouble Codes
Displays Alerts and Records like RPM, MPH and EGT
Includes a Universal Suction Cup Mount for Windshield
Compatible with all Edge custom dash pods(sold separately-Call Us)

Power Gains(Extreme Tune Setting):

L1: 40 HP & 100 lb-ft
L2: 60 HP & 120 lb-ft
L3: 75 HP & 170 lb-ft
L4: 90 HP & 200 lb-ft
L5: 125 HP & 325 lb-ft
L6: 150 HP & 350 lb-ft
(Level 6 Hot Unlock, sold separately-Call Us)


The Edge 21401 CS2 monitor unit is a comprehensive gauge package that stays mounted in the cab of the truck and displays up to 8 systems from dozens of available parameters. Monitor vital engine data to ensure the safety of your vehicle.
Switch from US and Metric Units of Measurement

Maintenance Manager Features:

Customize a comprehensive list of maintenance items to monitor
Set up and monitor each selected maintenance item based on user-defined parameters
Set alerts for advance notification of services that are coming due
Once it has been indicated that a service has been performed, the Maintenance Manager will automatically reset the next service value.

Performance Testing, Alerts and Records

Performance and records 0-60 and quarter-mile times; quarter-mile MPH; peak engine temperature, RPM, speed and transmission temperature values. The CS2 sounds audible alerts when user-defined values are reached and automatically records the highest value of key parameters.

Data Logging Software

Fine tune your runs on the track, or prolong the life of your tow vehicle by identifying out of range parameters. The CS2 Data Logging feature can show you crucial data to help you identify the “sweet spots” as well as potential problems on your driving experience. Shaving a few tenths of a second off your race time, or running a few degrees cooler make all the difference. The data logging feature allows for a comprehensive, accurate picture of the vehicle’s condition, such as temperatures, pressures, speed, and more!

Log and store up to 10 unique logs at a time
Log hours of data
View and graph logs on your PC using the new MyStyle Software
View all parameters or pick which ones you want to view

Expandable (EAS sold separately)

Compatible with optional Edge Accessory System (EAS) to allow users to connect multiple, additional accessories.
View more information on EAS accessories CLICK HERE


Data Parameters *:

Accel Pedal Position
Barometric Pressure
Battery Voltage
Calculated Fuel Rate
Desired FRP
Desired Idle RPM
Coolant Temp – Engine
Engine Load
Oil Pressure – Engine
Oil Temperature – Engine
Engine RPM
Fuel Level
Rail Pressure – Fuel
Temperature – Fuel
Gear with TCL
Intake Air Temp
Injector Command – Main
Injector Fuel Rate – Main
Injection Timing – Main
Manifold Abs Pressure
Mass Air Flow
Mileage Coach
MPG Instant
MPG Average
Oil Life Remaining
Command – Pilot Injector
Rate – Pilot Injector
Timing – Pilot Injector
Throttle Position
Time 0-60 | Time 1/4 mile
Trans Temperature
Turbo Boost
Turbo Vane Position
Vehicle Speed
* Some Parameters May Not Present In All Vehicles

The Edge 21401 CS2 Juice w/Attitude Tunes :



2004 GMC SIERRA 2500HD 6.6L LLY
2005 GMC SIERRA 2500HD 6.6L LLY

2004 GMC SIERRA 3500 6.6L LLY
2005 GMC SIERRA 3500 6.6L LLY

Includes Edge Products Full Mfg Warranty

Need Help Ordering??
Give Us A Call And We Can Assist You- CLICK HERE

Purchase with confidence, we are an
Authorized MVP Edge Powerteq Dealer.

*For Continental U.S. Shipments ONLY

Additional information

Weight 10 lbs
Dimensions 20 × 15 × 5 in






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