Tuning the 2025+ Cummins is tougher than with previous generations — largely because of advanced ECM encryption and OEM software protections designed to meet Clean Air Act regulations.
That’s why the Edge EZ Module for 2025+ Cummins has generated serious buzz among Cummins owners — because it provides a user-friendly way to add 100+ horsepower to 2025+ 6.7L engines!
Below, we break down everything you need to know about this module, how it works, the benefits, and how it installs (with a full video walkthrough you can watch below).
What Is the Edge EZ Module?
The Edge EZ Module is an in-line tuning device that works with the 2025+ Cummins platform. Unlike traditional tuning tools that require laptop software, calibration files, and complex ECM access, this tuning module installs in-line with your engine’s wiring and provides controlled, safe performance improvements.
It’s designed specifically for the new Cummins platform, and provides a tuning solution that’s:
- Emissions-intact (NOT a delete/emissions defeat device)
- Quick to install
- Easy to use
- Compatible with stock and lightly modified setups
What the EZ Module Does
Once installed, the Edge EZ Module can:
- Add 100+ horsepower at the touch of a button
- Improve throttle response
- Enhance torque delivery
- Be easily removed with no footprint left behind
Instead of replacing or modifying OEM software files, the EZ Module works alongside the truck’s computer to adjust parameters in real time.
Is It Street-Legal?
Yes — as long as you keep all emissions equipment in place and compliant. The Edge EZ Module is designed to work with the factory emissions system intact. It does NOT remove, bypass, or defeat any emissions hardware.
Who Should Consider the EZ Module?
This module is ideal for 2025+ Cummins owners who want:
- Instant horsepower and torque
- Smoother throttle response
- Enhanced towing performance
- A performance bump without full ECM file tuning
- A simple, bolt-in solution
If you like lots of laptop tuning or race-only tuning, this isn’t a replacement for that — but for most daily drivers and tow rigs, it’s a great compromise between power and simplicity.
Real-World Benefits Our Customers Love
At FASS Motorsports, we’ve seen owners report:
- Stronger low-end torque
- More power throughout the RPM range
- Improved throttle response
- A better driving experience
Because it works inline rather than rewriting ECM files, the tuning feels natural and doesn’t interfere with factory functions.
Installation Overview
In general terms, installation involves:
- Locating the OEM connector harness
- Unplugging the stock harness and plugging the EZ Module inline
- Securing the module in the engine bay
- Clearing any codes after installation and confirming communication
Because this module interfaces with the truck’s wiring harness — not the ECM directly — you don’t need a laptop or special tech software.
Supporting Mods to Maximize Gains
To unlock the best results with the EZ Module, many owners pair it with supportive bolt-ons such as:
- Upgraded cold air intake systems
- Intercooler piping kits
- High-flow exhaust components
- FASS Fuel Systems for clean, stable fuel delivery
- Digital monitoring systems like FASS Connect
These parts don’t just improve power — they improve reliability and longevity when performance targets increase.
Why We Like the Edge EZ Module
At FASS Motorsports, we’re excited to offer solutions that:
- Respect emissions compliance
- Improve real-world drivability
- Are user-friendly for everyday owners
- Play nicely with other performance parts
The Edge EZ Module checks all those boxes for 2025+ Cummins owners who want a simple power upgrade without dealing with encrypted ECM files or complicated tuning tools.
Have Questions? We're here to help.
- Phone: (636) 429-7020
- Email: info@fassmotorsports.com
FASS Motorsports
25 Town and Country Drive
Washington, MO 63090


