The VW Golf Mk4 1.8 20V Turbo AUQ Carbon Charcoal Filter is a genuine Volkswagen product manufactured in Germany. It is designed to be placed in the engine compartment of the vehicle and is part of the exhaust and emission systems. This high-quality carbon charcoal filter helps to reduce emissions and improve the overall performance of the VW Golf Mk4 1.8 20V Turbo AUQ engine. Made by the trusted brand Volkswagen, this filter ensures a perfect fit and reliable filtration for your vehicle.