The Stealth Catalyst

Gas Catalyst Modules

The Catalyst Module gives modern truck owners sharper response and stronger usable performance through a clean, adjustable, plug-and-play system. No permanent commitment. No unnecessary complexity. Just a truck 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 truck—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.

    01Daily drive

  • Passing

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

    02Two-lane road

  • Grades

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

    03Hills & load

  • Towing

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

    04Work & play

Featured story

The moment everything clicked.

Listen to Seths reaction to the Catalyst Module on his 2025 Tundra!

Product types

Why this beats the usual options

Stealth Catalyst

  • Plug-and-play hardware
  • No ECM flash required
  • Built for daily driving confidence

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.
Find My Module
(888) 613-4304