Universal Control Arm Ducts with 50mm Outlet designed specifically for vehicles with constrained installation space, including BMW models such as the F87 M2, F80/F82 M3, and M4, while maintaining broad compatibility across most BMW variants. These ducts serve a critical function by enhancing airflow directed toward the brake system, thereby improving brake cooling efficiency. This results in extended brake pad lifespan and a significant reduction in brake fade during demanding driving conditions. Constructed from ASA material, which offers superior heat resistance compared to ABS, these ducts feature a high-quality smooth finish that ensures durability and reliable performance under thermal stress. Featuring a 50mm diameter outlet, the ducts provide versatile installation options with multiple adjustment points. They can be mounted on virtually any vehicle using the included reusable zip ties, facilitating a secure and adaptable fitment. Additional components such as air tubing and cooling plates for BMW models are available separately to complement the cooling system setup. Each purchase includes a complete set of ducts, sold exclusively as pairs, comprising: Universal duct for the left side Universal duct for the right side Reusable zip ties (two per side) This product is engineered to meet rigorous automotive standards, ensuring reliable performance and compatibility for enhanced brake system cooling in high-performance BMW vehicles.