Manufactured from multiple layers of patented open-cell polyurethane foam, Pipercross panel filters are a direct replacement for your restrictive paper air filter element. This will fit any smart fortwo 451 model.

• Fits directly in to airbox
• 30% more airflow
• Lifetime filter - easy to clean and reuse.
• Increased capacity

Pipercross filters allow air to flow long after other air filters have reached their maximum dirt capacity.