CTS TURBO 2017-2020 Audi B9 2.0T DV (DIVERTER VALVE) KIT

The CTS Turbo diverter valve kit replaces the factory plastic unit on B9 Audi 2.0T engines with a precision-engineered aluminium design. Developed specifically for 2017-2020 A4, A5, Allroad and Q5 models, this direct-fit upgrade eliminates common valve failure issues while improving boost response and reliability. CNC-machined construction ensures consistent sealing under varying boost loads, making it essential for tuned vehicles or those seeking OEM-plus durability. Complete kit includes all necessary hardware for straightforward installation on B9 platform turbocharged applications.