Which feature is associated with improved aerodynamic performance in Dodge models?

The feature associated with improved aerodynamic performance in Dodge models is active grille shutters. These shutters open and close automatically to manage airflow through the engine compartment and around the vehicle, which helps reduce drag when the vehicle is in motion. By optimizing airflow, the active grille shutters contribute to better fuel efficiency and performance at higher speeds, making it a significant enhancement for aerodynamics.

The standard spoiler, while it can help with downforce at high speeds, primarily serves to improve traction rather than directly addressing overall aerodynamic efficiency. Round tires, contrary to commonly perceived notions, do not specifically improve aerodynamic performance; rather, tire design and profile are more crucial for handling and efficiency. Off-road suspension systems are designed to enhance vehicle capability on uneven terrain but can negatively impact aerodynamic efficiency due to increased ride height and air resistance. Thus, active grille shutters stand out as a dedicated feature specifically designed to optimize aerodynamics.