Genuine OEM Porsche Air Filter Box, part number 99311003002. This component serves as the housing for the engine's air filter, ensuring that only clean, filtered air enters the intake system. Proper air filtration is critical for efficient combustion, preventing engine damage from debris, and maintaining performance. The box is designed for a precise fit and a secure seal around the air filter. Genuine OEM air filter boxes are constructed from durable materials and designed to integrate seamlessly with the vehicle's intake system.