Carbon Production GT4 Front Aero Kit - E9X M3The E9X M3 platform is no stranger to aerodynamic upgradesbut few achieve the level of engineering, execution, and authenticity found in the Carbon Production E9X M3 GT4 Front Aero Kit. Developed and handcrafted in Germany, this system is built using motorsport grade prepreg carbon fiber and cured in an autoclave, resulting in exceptional strength, precise fitment, and true functional performance. Designed with direct input from real world track