6.7 Cummins Turbo Upgrades

Upgrade your 6.7L Cummins-powered RAM truck with high-performance turbocharger solutions engineered for towing, drivability, airflow efficiency, and long-term reliability. Whether you're looking to reduce exhaust gas temperatures (EGTs), improve spool-up, retain factory exhaust brake functionality, or support higher horsepower levels, choosing the right turbo setup is one of the most important upgrades you can make.

At Black Sheep Industries, we specialize in performance-focused turbocharger solutions for Cummins applications. From upgraded HE300VG variable geometry turbos to towing-focused airflow upgrades, our goal is to help Cummins owners build trucks that perform reliably under real-world conditions.

Why Upgrade the Turbo on a 6.7 Cummins?

The factory HE300VG turbocharger found on many 6.7 Cummins applications offers excellent drivability and towing characteristics, but upgraded turbochargers can provide significant improvements in:

  • Lower exhaust gas temperatures (EGTs)
  • Faster spool-up and improved throttle response
  • Increased airflow and horsepower potential
  • Reduced drive pressure
  • Better towing performance under load
  • Improved reliability under demanding conditions
  • Enhanced street drivability and towing manners

For many owners, the goal is not simply peak horsepower — it is creating a more responsive, efficient, and capable truck for towing, daily driving, and performance use.

Featured 6.7 Cummins Turbo Upgrades

2007.5–2018 6.7 Cummins TNT HE300VG 63mm

Designed for towing-focused performance and excellent street manners, the TNT HE300VG 63mm retains factory-style variable geometry turbo functionality while improving airflow and lowering EGTs.

Key Benefits

  • 63mm forged milled compressor wheel
  • Improved towing response
  • Faster spool-up characteristics
  • Lower EGTs under load
  • Retains factory exhaust brake functionality
  • Excellent daily drivability
  • Direct bolt-on installation
  • Designed, assembled, and balanced in Canada

Shop the 2007.5-2018 6.7 Cummins TNT HE300VG 63mm

2019–2024 6.7 Cummins TNT HE300VG 63mm

Built for newer 6.7 Cummins RAM applications, this upgraded HE300VG 63mm turbo offers improved airflow and towing capability while maintaining excellent low-end response and VGT operation.

Key Benefits

  • Retains VGT functionality
  • Lower drive pressure
  • Improved towing efficiency
  • Excellent spool response
  • Increased airflow capacity
  • Ideal for towing and daily driving

Shop the 2019-2024 6.7 Cummins TNT HE300VG 63mm

HE300VG vs Fixed Geometry Turbo

One of the most common questions among Cummins owners is whether to retain a variable geometry turbocharger or switch to a fixed geometry setup.

Variable geometry turbos like the HE300VG are extremely popular for towing applications because they provide:

  • Faster spool-up
  • Improved low-RPM response
  • Better towing drivability
  • Integrated exhaust brake functionality
  • Excellent street manners

Fixed geometry turbos can support larger horsepower numbers in extreme performance applications, but often sacrifice towing characteristics and low-end responsiveness.

Read: HE300VG vs Fixed Geometry Turbo for 6.7 Cummins

Lowering EGTs on a 6.7 Cummins

Exhaust gas temperatures are one of the most important considerations for towing and heavy-load applications. High EGTs can reduce efficiency and place additional stress on engine and turbocharger components.

A properly sized upgraded turbocharger can help:

  • Improve airflow efficiency
  • Reduce drive pressure
  • Lower EGTs during towing
  • Improve engine efficiency under load
  • Support safer towing performance

Read: How to Lower EGTs on a 6.7 Cummins

Best Turbo Upgrades for Towing With a 6.7 Cummins

For towing-focused builds, spool-up characteristics, drivability, EGT control, and exhaust brake functionality are often more important than maximum peak horsepower.

Many Cummins owners choose upgraded HE300VG-based turbochargers because they provide an excellent balance between:

  • Towing response
  • Lower EGTs
  • Street drivability
  • Airflow capacity
  • Daily usability

Read: Best Turbo Upgrades for Towing With a 6.7 Cummins

Choosing the Right Turbo for Your 6.7 Cummins

Best For Towing

If your truck spends most of its time towing heavy loads, a towing-focused variable geometry turbocharger is often the best choice because it preserves low-end response and exhaust brake functionality.

Best For Daily Driving

Drivers wanting strong street manners and improved responsiveness typically benefit from upgraded VGT turbos that improve airflow while retaining excellent drivability.

Best For High Horsepower Builds

Dedicated competition or high-horsepower applications may benefit from larger fixed geometry turbo setups that prioritize airflow over towing characteristics.

Why Choose Black Sheep Industries?

Black Sheep Industries focuses on high-quality turbocharger solutions designed for real-world diesel performance applications.

  • Reliable towing performance
  • Improved airflow efficiency
  • Lower EGT operation
  • Excellent drivability
  • Quality Canadian assembly and balancing
  • Proven Cummins turbo solutions

Whether your truck is a dedicated tow rig, daily-driven street truck, or performance build, choosing the correct turbocharger setup can dramatically improve the overall driving experience.

Related 6.7 Cummins Turbo Resources

Frequently Asked Questions

What is the best turbo upgrade for a 6.7 Cummins tow rig?

Many towing-focused Cummins owners prefer upgraded HE300VG-based variable geometry turbos because they maintain excellent spool-up, exhaust brake functionality, towing response, and drivability.

Is a VGT turbo better for towing?

In most towing applications, variable geometry turbos provide superior low-end response, improved drivability, and better exhaust brake performance compared to many fixed geometry setups.

Can an upgraded turbo lower EGTs?

Yes. A properly sized turbocharger can improve airflow efficiency and reduce exhaust gas temperatures under towing and heavy load conditions.

What size turbo is best for towing on a 6.7 Cummins?

Many Cummins owners choose 63mm turbo upgrades because they provide an excellent balance between spool-up, airflow capacity, towing response, and street drivability.

Are upgraded HE300VG turbos good for daily driving?

Absolutely. Upgraded HE300VG turbos are extremely popular because they combine improved airflow with excellent street manners and towing capability.