DV+ VTA Blow-Off Valve

The GFB T9454 VTA DV+ performance blow-off valve is engineered to provide both an aggressive atmospheric venting sound and enhanced performance for the Ford Focus ST equipped with Borg Warner turbos. It directly addresses the common issues of the factory diverter valve, namely diaphragm rupture and sticking valve stems, which can lead to turbocharger stress. Constructed with precision CNC machined billet metal components and a durable elastomer piston seal, the VTA is built for extreme conditions and high boost pressures, ensuring superior boost holding capability and long-term reliability. Its design utilizes boost pressure to ensure a positive seal, preventing leaks and blow-open scenarios that can over-stress the turbocharger. The VTA also improves throttle response and drivability through its patented pilot-operated design. Unlike the binary open/closed operation of many factory valves, the VTA's piston opens and closes progressively, venting only the necessary amount of air to prevent compressor surge. This 'Turbo Management System' (TMS) technology helps minimize turbo lag by preserving a small amount of boost in the intercooler for faster spool-up when reapplying throttle. Installation is a simple, direct bolt-on process with all necessary hardware included. The VTA offers lightning-fast operation, exceeding the responsiveness of typical electronic diverter valves. Manufactured in Australia to ISO 9001 standards, this valve is a significant upgrade for enthusiasts seeking both sound and performance.