This little blow-off valve may look small, but it’s anything but a flyweight in terms of performance. With its billet aluminum construction and lightweight, two-piece brass/aluminumpiston, perfectly matched to the precision-machined springs, the shortie valve offers razor-sharp response to the charge pressure and significantly better boost pressure handling of up to 30 PSI. The Plumb Back is a fully recirculating BOV, so its operation is quiet and will not draw unwanted attention. It blends seamlessly with the vehicle’s stock mapping, making it perfect for drivers who want to get great performance out of their ST while staying under the radar.
Like the Dual Port, the Plumb Back Shortie directly replaces the Fiesta’s stock plastic blow off valve, which can leak and break, especially at elevated charge pressure. The shortie is a far more robust replacement and bolts directly to Ford’s turbo compressor cover, allowing you to boost your Fiesta’s performance without costly custom fabrications.
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