You can add an AI-Ready Collection as a selectable iRacing roster for AI racing. It’s easy!

• When you’re signed in to Trading Paints, favorite the Collection.
• Open (or restart) the Trading Paints Downloader.
• Open (or restart) the iRacing UI.
• Set up an AI race in the iRacing UI. You should see the name of your Collection — Gen 4 Cars - 140024 — appear in the list of selectable rosters.