Turbo Boost Tap Vacuum Adapter for VW Audi 2.0T FSI TSI TFSI MK5 GTI B7 A3 A4Feature: It is specially developed and designed for FSI TSI engine. Safety bolt design is adopted, so there is no need to worry about high pressure pipe disconnection. The turbocharger sensor can be connected without damaging the original vehicle design. There are three vacuum pipe joints, which are reserved for future use. It is made of aluminum alloy with anodized surface, strong weather resistance and easy installation. (including O ring)