What is ATLAS tuning for the 2022+ WRX, and how does it work?

ATLAS is a free ECU tuning suite for Subaru WRX models, covering the VA generation from 2015 to 2021 and the VB generation from 2022 onward, including 2026 cars in both manual and automatic form. It is developed by North American Motorsports Research, a team of tuners, enthusiasts and motorsports hobbyists, and it is open-source. The working model is different from a handheld device. Instead of a dedicated box that lives in the car, ATLAS is software that runs on your computer - Windows, Mac or Linux - and talks to the ECU through an OBD adapter you plug into the car's diagnostic port. The basic workflow looks like this. Install the software, connect an adapter, read the ECU to get your car's existing tune, open that file in the editor, make changes, and flash the result back to the car. Datalogging happens through the same connection, so you can record what the engine is actually doing and use those logs to inform the next revision. What you get in the editor is genuinely capable rather than a simplified consumer interface. ATLAS provides a 2 to 3 dimension table editor for working directly with the ECU's maps, datalogging with visualisation tools, and a visual logic node graph that compiles new custom logic - which is how features that do not exist in the factory ECU get added. That last point is worth dwelling on, because it is what separates ATLAS from simply flashing a map. The platform ships first-party custom features including launch control, boost-by-gear, speed density tuning and multi-map capability. These are additions to what the ECU can do, not just adjustments to existing tables. It also supports realtime tuning, where you select tables to live-tune on the running vehicle rather than flashing, changing a value, and flashing again. Who it is for: ATLAS does not require a professional tuner. It is built for both professionals and enthusiasts who want to do the work themselves. That accessibility is the appeal, and it is also the caution - the software gives you direct access to the tune, which means the responsibility for what you write to the ECU is entirely yours.