The Turbosmart Kompact EM plumb-back blow-off valve for VR25 twin-turbo 2022+ Nissan 400Z applications is a compact, recirculating-style valve that vents excess boost back into the intake tract. The Kompact plumb-back design fits the VR25 twin-turbo layout and provides controlled recirculation suited to factory and modified systems without implying broader compatibility beyond the stated application.
Turbosmart BOV Kompact EM Plumb Back VR25 - 2022+ Nissan 400Z Twin Turbo V6