A strut brace is a component used in vehicles to enhance chassis rigidity. It connects the tops of the strut towers in the suspension system, reducing flex during cornering and improving handling. By minimizing body movement, strut braces help maintain tire contact with the road, leading to better stability and performance. Typically made from materials like aluminum or steel, strut braces come in various designs to fit different vehicle models. They are popular among car enthusiasts and racers who seek to optimize their vehicle's performance. Installing a strut brace is often considered a cost-effective upgrade for improved driving dynamics.