GFB DV+ Diverter ValveThe DV+ for Subaru WRX 2022+ models! The FA24 engine in the 2022+ WRX now uses an electronically controlled factory diverter in place of the pneumatic bypass valve found on all previous turbo Subaru engines. Factory electronic diverter valves have been around since 2006 (particularly on European engines), and on the surface it sounds like an advancement in technology, but in reality its a step backwards in performance and reliability. Electronic