2020-2021 Powerstroke 6.7L DieselR SCT Custom Tuning (DSLRT-100536-1)

This tune pack combines the powerful SCT X4 tuner with our expertly developed DIESELR Tune Files to deliver peak performance, reliability, and drivability for your diesel truck. With an easy-to-use interface, the X4 lets you fine-tune horsepower, torque, throttle response, and fuel efficiency in just a few clicks. Backed by real-world testing and crafted by experienced tuners, our custom files are built to get the most out of your setup—whether you're towing, daily driving, or pushing limits on the trail.

Horsepower Gains (At Wheel, Engine):
Level 1: 40+ HP
Level 2: 80+ HP
Level 3: 120+ HP
Level 4: 180+ HP
Level 5 SOTF: 220+ HP

Estimated Torque Gains (To the Wheels):
Level 1: ~80 ft-lbs
Level 2: ~160 ft-lbs
Level 3: ~240 ft-lbs
Level 4: ~360 ft-lbs
Level 5: ~440+ ft-lbs

What’s Included:

✔ Custom DIESELR Tune Files – Power Levels 1–4 included

✔ SOTF (Switch-On-The-Fly) – Instantly switch between power levels while driving

✔ Transmission Tuning – Refines shift points and improves torque delivery

✔ SCT X4 Handheld Programmer – User-friendly tuner with built-in display

✔ OBD-II & PCM Unlock Cable – All necessary hardware for setup and flashing

What’s Required for Tuning:

✔ SOTF Switch with Mounting Bracket (Optional) – Enables power level switching from the cab

✔ Exhaust System – Enhances airflow and supports maximum performance

✔ EGR Upgrade Kit (Optional) – Reduces restrictions, promotes engine longevity

✔ Remote Support (Optional) – Live tuning assistance available HERE