Genuine OEM Volkswagen secondary air injection pipe, part number 079131166S. This component facilitates the flow of air from the secondary air pump into the exhaust system to reduce emissions during cold starts. It is positioned within the secondary air injection assembly as indicated in the technical diagram. Manufactured from high-grade corrosion-resistant metal, this pipe ensures a leak-free seal and correct routing geometry. Genuine OEM parts are essential for this system to maintain the exact flow characteristics required for proper emissions compliance and sensor readings.