L5P / L5D STEALTH STR TURBO (2020-2023)
L5P / L5D STEALTH STR TURBO (2020-2023)
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L5P / L5D STEALTH STR TURBO (2020-2023)

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Order your upgraded turbo today! The L5P / L5D Stealth STR is the best replacement turbo for your stock 2020, 2021, 2022 and 2023 6.6LDuramax. While capable of providing enough airflow to support up to 650 RWHP, this stock-appearing unit still lights quick and is great for daily driving, towing, and putting Powerstrokes in their place.

If you have been looking at other "64mm", "Stage 1",  or stock turbo replacements this is a game changer. This turbocharger does not need custom tuning or other upgrades to get superior performance. Box programmers and inline modules work seamlessly with the L5P / L5D Stealth STR. 

Don't be fooled by the imitators! We've been building custom turbos and providing custom tuning for more than 15 years. We were the first custom tuners to work on the L5P and L5D Duramax platform and know exactly what these trucks need to go to the next level. 

  • Airflow to support 650HP
  • Custom Billet Compressor Wheel
    • 64mm, 11-Blade wheel
      • Wide efficiency range
      • Allows you to tow without the risk of surge
    • Lightweight and high strength
    • Provides 70 lbs/min mass airflow compared to 60lbs/min stock
    • No Surge (Even when lugging)
  • Brand New Parts 
    • No Core Charges
    • Built from OEM quality parts 
  • Designed and spec'd by Tuners
    • Easy to tune (no tuning required)
    • Works with box tuners

This Turbo is Designed for you if ...

  • You are using a box tuner or no tuning at all
  • Daily drive your truck
  • Have Reliability and Performance as top priorities
  • Tow with your truck
  • Want More Power and excellent street manners!



Do you need an Actuator?

If you're wondering whether or not you should buy an actuator to compliment your Stealth turbo, allow us to share our thoughts.  The 2017-2023 6.6L Duramax turbo actuator has a very low failure rate in the field.  The fact that it's well cooled and not in close proximity to the hot parts of the turbo means that it's out of harm's way.  Unless you're experiencing codes that indicate actuator issues or know for a fact that your actuator is somehow damaged, we would suggest saving your money and retaining your factory actuator.  

Warranty: All Stealth Series turbos offer our Unlimited Mile, 1-year manufacturer warranty for quality and craftsmanship. For warranty inquiries please contact sales@duramaxtuner.com