Custom Diesel Tuning with HP Tuners MPVI 3 — Built for Real-World Performance

This package includes the HP Tuners MPVI 3 along with custom tuning from Fummins Tuning. The MPVI is simply the device — the real value is the proven tuning and support behind it.

If you're looking for smooth shifting, reliable power, and tuning that actually works for your setup, this is it.

⚠️ This is not a generic file — every tune is built and supported by Fummins Tuning.

What You’re Getting:

✔ Custom diesel tuning built for your exact setup

✔ Support throughout the tuning process (not just a file)

✔ Revisions and adjustments as needed

✔ Proven drivability, towing performance, and power gains

✔ HP Tuners MPVI 3 device to flash and datalog

This isn’t a one-and-done download. You’ll read your truck, send your file in, and receive custom tuning tailored to your vehicle. From there, revisions can be made to dial everything in exactly how it should be.

Why Fummins Tuning:

✔ Real-world experience with Fummins swaps and diesel platforms

✔ Smooth shifting and drivability — not just peak numbers

✔ Tuning built for towing, daily driving, and performance

✔ Direct support from someone who actually understands your setup

How It Works:

1. Plug the MPVI into your OBDII port

2. Read your vehicle and send the file

3. Receive your custom tuning

4. Flash and drive

5. Request revisions as needed

This process ensures your truck runs exactly how it should — not just “good enough.”

MPVI Device Info:

The HP Tuners MPVI allows you to flash tuning, datalog, and receive updates directly