Hey Geremy! Welcome to Reedsburg and welcome back to the hobby! It's great to hear that you're getting back into RC racing. I'm glad you stopped by the track and I may have seen you and your family there.

Regarding the brushless motor and ESC for your Traxxas Slash 2WD, I can definitely help you out. HobbyKing has some budget-friendly options that would work well with your setup. One option you can consider is the Turnigy TrackStar 17.5T brushless motor combined with the TrackStar 80A ESC. This combo should provide good performance and compatibility with your stock radio.

Before making a purchase, make sure to double-check the compatibility of the motor and ESC with your Traxxas Slash model. You can also reach out to other experienced racers at the track for their recommendations and insights.