MATERIAL: Made of ABS material, it is durable and can be used for a long time to enhance vehicle performance INSTALLATION: This air intake ventilation hose is easy to install and can be directly replaced with old or damaged parts. No need for complicated or extra accessories, save your time and energy Air Pump Breather Exhaust Hose For A4 For A6 For A8 For Q7 Features: The intake hose helps ensure proper function and contributes to improved vehicle performance. Function: The funnel-shaped intake hose paired with the aluminum air filter directs cool air into the intake duct reducing airflow on the intake side which increases air velocity and generates heat., Manufacturer: Pibid