Duramax L5P & L5D Turbochargers

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2017-2023 6.6L L5P / L5D Duramax Turbochargers

Looking for the best turbocharger upgrades for your 2017-2023 6.6L L5P or L5D Duramax? Black Sheep Industries offers high-performance drop-in turbocharger solutions engineered for towing, daily driving, street performance, and higher horsepower diesel builds.

Whether your goal is lower exhaust gas temperatures, improved towing reliability, increased airflow, stronger throttle response, or higher horsepower capability, upgrading the factory L5P turbocharger is one of the most effective modifications available for the platform.

Our L5P Duramax turbochargers are designed to retain factory-style installation while significantly improving airflow efficiency and overall performance.

Featured L5P / L5D Duramax Turbocharger Upgrades

Why Upgrade the Factory L5P Duramax Turbo?

The factory L5P turbocharger performs well in stock form, but increased towing demands, aggressive tuning, larger tires, and additional fueling can quickly expose airflow limitations. Upgraded turbochargers help improve efficiency while reducing restriction and lowering turbocharger stress under load.

Benefits of an Upgraded L5P Turbocharger

  • Improved airflow efficiency
  • Lower exhaust gas temperatures
  • Reduced backpressure
  • Improved towing reliability
  • Stronger throttle response
  • Higher horsepower capability
  • Improved top-end performance
  • Retains factory-style drivability
  • Direct drop-in installation

64/67 vs 67/67 L5P Turbo Comparison

Feature 64/67 Drop-In Turbo 67/67 Drop-In Turbo
Spool-Up Excellent Very Good
Towing Performance Excellent Very Good
Low-End Response Excellent Very Good
Top-End Airflow Very Good Excellent
Horsepower Capability Moderate to High High
Best Application Daily Driving & Towing Street Performance & Higher Horsepower Builds

64/67 L5P Duramax Drop-In Turbo

The 64/67 L5P Duramax Turbo is designed for customers prioritizing towing performance, daily drivability, fast spool-up, and lower EGTs under load.

This turbocharger offers an excellent balance between airflow improvement and street-friendly response, making it one of the best options for tow rigs, work trucks, and daily driven L5P Duramax builds.

Ideal Applications

  • Towing and hauling
  • Daily driving
  • Street performance
  • Mild to moderate tuning setups
  • Customers wanting excellent spool-up characteristics

67/67 L5P Duramax Drop-In Turbo

The 67/67 L5P Duramax Turbo is engineered for customers wanting additional airflow capability and higher horsepower potential while maintaining excellent drivability and towing capability.

This turbocharger setup is ideal for customers planning larger fueling upgrades, more aggressive tuning, and stronger top-end performance while still retaining variable vane functionality.

Ideal Applications

  • Higher horsepower builds
  • Aggressive street trucks
  • Competition-oriented builds
  • Performance towing applications
  • Future fueling upgrades

Supporting Modifications for L5P Turbo Upgrades

To maximize performance and reliability, upgraded L5P turbochargers perform best alongside proper supporting modifications.

  • Custom tuning
  • Lift pump systems
  • High-flow intake systems
  • Intercooler piping upgrades
  • Transmission tuning
  • EGT monitoring systems
  • Free-flowing exhaust systems

Helpful L5P Duramax Resources

Frequently Asked Questions

What is the best turbo upgrade for towing on an L5P Duramax?

The 64/67 L5P turbo is an excellent option for towing-focused trucks because it offers fast spool-up, strong drivability, and improved EGT control under load.

What turbo is best for higher horsepower L5P builds?

The 67/67 L5P turbo is generally better suited for higher horsepower applications due to its increased airflow capability and stronger top-end performance potential.

Will an upgraded turbo lower EGTs on an L5P Duramax?

Yes. A properly matched upgraded turbocharger can improve airflow efficiency and reduce restriction, helping lower exhaust gas temperatures during towing and heavy acceleration.

Do these turbos retain factory-style installation?

Yes. Both turbochargers are designed as direct drop-in replacements for compatible 2017-2023 6.6L L5P and L5D Duramax applications.

Do upgraded L5P turbos require tuning?

Custom tuning is strongly recommended to maximize airflow efficiency, boost control, drivability, and overall reliability after installing an upgraded turbocharger.

Why Choose Black Sheep Industries?

Black Sheep Industries focuses on high-quality diesel performance solutions designed for real-world use. Our L5P Duramax turbocharger upgrades are engineered for customers demanding reliable towing performance, strong drivability, improved airflow, and serious performance capability.

Whether your truck is a dedicated tow rig, daily driver, or high-performance street build, our L5P turbocharger lineup provides proven airflow solutions built to handle demanding conditions.