The Stealth Module

Diesel Modules

The Stealth Module gives modern vehicle owners sharper response and stronger usable performance through a clean, adjustable, plug-and-play system. No permanent commitment. No unnecessary complexity. Just a vehicle that finally feels ready when you are.

Real-world performance

Performance you recognize before anyone else notices.

The Stealth owner is not chasing attention. They want the better-driving vehicle; the one that responds sooner, pulls harder, and feels more alive.

  • Merging

    Step into traffic with stronger response and less hesitation when the opening appears.

  • Passing

    Get a more immediate answer when the gap opens up and the vehicle needs to move now.

  • Grades

    Carry speed more naturally when the road starts to work against you and momentum matters.

  • Towing

    Make the vehicle feel more capable when a trailer or payload asks more from it.

Featured story

The moment everything clicked.

Listen to what Chuck has to say about the Stealth Module! He's been a long time customer of ours and has a Module on multiple trucks. 

Product types

Why this beats the usual options

Throttle Booster

  • Easy to install
  • Limited performance gain
  • Can feel artificial

Flash Tune

  • Can produce strong results
  • Requires calibration changes
  • High commitment for most buyers

Ready?

Click the "Find My Module" button below or give us a call if you have questions about the Catalyst Module.