2.8L GM Duramax LWN All In One Kit (2016-2021)

Complete All-In-One Tuning Kit

2.8L Duramax LWN (2016–2021)

The 2.8L Duramax LWN All-In-One Tuning Kit is designed for Chevrolet Colorado and GMC Canyon owners who want dependable power gains, improved drivability, and long-term reliability beyond factory limitations. This complete package combines professional ECM calibration, emissions-related hardware solutions, and a high-flow exhaust system—engineered specifically for the 2.8L LWN platform.

Built for real-world use and tuned by experienced diesel calibration specialists, this kit delivers a well-rounded solution for customers looking for performance, efficiency, and reduced exhaust restrictions.

What’s Included in the 2.8L Duramax LWN Kit

• HP Tuners MPVI4 – Blank Interface
  OBD-II tuning interface compatible with 2.8L Duramax LWN ECMs (2016–2021)

• Northern Tuning Custom MPVI4 Calibration
  Professionally developed ECM tune, calibrated in-house for 2016 and 2017+ model years

• Tuning Support & Credits Package (Year-Specific)
  Includes required tuning credits and technical support
  • 2016 models: 2 credits
  • 2017–2021 models: 4 credits

• Turbo-Back Exhaust System
  3-inch stainless steel exhaust designed to improve exhaust flow, reduce EGTs, and enhance overall performance

• EGR Upgrade Kit
  Removes restrictive factory components to improve reliability and airflow

Available Options

• Model Years: 2016, 2017, 2018, 2019, 2020, 2021

• EGR Kit: Included

Turbo-Back Exhaust Features – 2.8L LWN

• 3" diameter system constructed from durable 16-gauge T409 stainless steel

• Mandrel-bent tubing for smooth exhaust flow

• Heavy-duty flanges and high-quality TorcTite® clamps for a secure, rattle-free installation

Vehicle Fitment

• 2016–2021 Chevrolet Colorado 2.8L Duramax LWN

• 2016–2021 GMC Canyon 2.8L Duramax LWN