The ECS Tuning Diff Weld Plates for E8X/E9X are high-performance auto parts designed by ECS Tuning. Made specifically for the E8X/E9X models, these weld plates enhance the rear end of the vehicle for improved driveline and transmission performance. With the manufacturer part number ES4841518, these plates are a crucial component for automotive enthusiasts looking to upgrade their vehicle's performance and racing capabilities. The ECS Tuning Diff Weld Plates offer a unique solution to increase the strength and efficiency of the rear end, making them a valuable addition to any performance vehicle.