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Duramax Tuner LB7 DSP5 ECM

XDP Price: $549.00
Manufacturer: Duramax Tuner
Manufacturer Number: DUSTKDSP5
XDP Part Number: DUSTKDSP5

Application: 01-04 GM 6.6L Duramax (Stock Trans)

Product Options

* denotes required field

VIN Number*
Tire Size*
Injectors*
If Other, Enter Injector Size & Brand
Is your EGR Blocked / Deleted ?*
Other Modifications
DSP5 Switch Options*
Please Accept Core Charge*
Turbocharger*

XDP $5 Pricebeat Guarantee
Do you like the idea of custom tuning, but have no intention of tuning your own truck? Duramaxtuner.com offers custom programmed ECM's built to meet customer specifications. All you have to do is click on the product you are interested in purchasing and fill out a short form. We'll ship you an ECM that's built to make the most of your parts combination. These ECM's offer five custom tunes which you can switch through while driving. Standard rotary switch is included in the unit price. Switch Upgrades available.

Stock Trans, Stock Turbo DSP5 ECM Includes:

  • A 5-Power Level Custom Written For Your Truck
  • 1 DSP5 Switch, Wiring & Pins For Your Duramax
  • Plastic Conduit

Custom Information:
When it comes to custom tuning, it’s important that we know all the information about your truck to provide you with the best tunes for your application. You’ll see several text boxes above that require specific details about your truck. Follow the guide below to help explain the questions above.

  • Vin Number: Please enter your 17 digit VIN number in UPPERCASE letters & numbers.
  • Tire Size: If stock, simply put “Stock”. If your tires are larger than factory please enter the tire size found on your tire. 
  • Turbocharger: If stock, enter “stock”. If aftermarket, please enter the make and model of your current turbocharger.  
  • Injectors: If other than stock, please enter size and brand. 
  • EGR Modifications: EGR Delete or EGR Blockoff please enter yes.
  • Built Transmission: Transgo Jr. is not considered a built trans. Please select No above.
  • Other Modifications: Describe any other alterations to your engine, exhaust or emissions system that we should be aware of.  

Included Tunes:


1. Optimized Stock Tune
  • Power output near stock
  • Refined timing tables for lower EGTs and higher efficiency
  • 300rwhp


2. Heavy Tow Tune

  • +40RWHP over stock
  • Refined timing table for lower EGTs
  • Throttle pedal revised for simplified low speed trailer maneuvering
  • Built for towing loads from 8000lbs to gross vehicle weight

3. Light Tow Tune

  • + 60RWHP over stock
  • Refined timing table for lower EGTs
  • Throttle pedal revised for simplified low speed trailer maneuvering
  • Built for towing loads under 8000lbs

4. Sport Economy

  • +80RWHP over stock
  • Best balance of power reliability and efficiency for unloaded daily driving
  • Throttle sensitivity increased for less throttle input, quicker shifting and less average RPM in daily driving situations

5. Stock Trans Race Tune

  • +100 rear wheel horsepower over stock
  • Maximum horsepower tune for stock transmission
  • If abused, has the potential to shorten the life of your stock transmission
  • Typically will run mid 14's near 93 MPH on a truck setup for drag racing



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