Duramax Tuner Customizable DSP5 ECM



2001-2007 GM 6.6L Duramax LB7/LLY/LBZ
Manufacturer: Duramax Tuner
Mfg. Number: DUCSTMDSP5

Product Options

* denotes required field

VIN Number:*
Tire Size:*
Built Transmission:*
If Other, Enter Injector Size & Brand:
Is your EGR Blocked / Deleted:*
DSP5 Switch Options:*
Tune #1:*
Tune #2:*
Tune #3:*
Tune #4:*
Tune #5:*
Please Accept Core Charge:*

XDP $5 Pricebeat Guarantee

Do you like the idea of custom tuning, but have no intention of tuning your own truck? Duramax Tuner offers custom programmed ECM's built to meet your specifications. All you have to do is 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.

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.  

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