C63s C63 M177 OEM+ Cold Air Intake Spacer Upgrade Kit

This intake system combines an M177 Intake Spacer Kit with BMC high-flow filters to improve airflow and throttle response while maintaining a clean OEM appearance.

• The description claims this intake system improves airflow efficiency and throttle response, not chasing exaggerated dyno numbers.
• The description claims raised filter position reduces restriction caused by factory airbox geometry.
• The description claims BMC multi-layer cotton filters flow more air than OEM paper elements.
• The description claims improved mid-high RPM airflow consistency and better performance repeatability under heat.