In this episode of The Downshift podcast, the hosts discuss various aspects of motorsport, focusing on Formula One and NASCAR. They delve into the use of Flow Vis Paint for aerodynamic testing, the implications of new flexi-wing rules, and the performance of rookie drivers during testing. The conversation also touches on the role of aero rakes in understanding airflow and the overall competitiveness of the upcoming season. The hosts share insights and predictions based on the latest testing results, creating an engaging discussion for motorsport fans.