This little blow off valve might look small, but it's anything but light on performance. With its billet aluminium construction and a lightweight brass/aluminium two-piece piston, perfectly matched with precision-engineered springs, the Shortie provides razor-sharp boost response and significantly more significant boost handling abilities up to a massive 30PSI. The Plumb Back is a fully recirculating BOV, so its operation is quiet and won't draw any unwanted attention. It seamlessly integrates with the vehicle's standard mapping, so it's perfect for the driver seeking big performance from their ST while keeping it under the radar.
Like the Dual Port, the Plumb Back Shortie directly replaces the Fiesta's standard plastic blow off valve, which can leak and crack, especially under increased boost pressure. The Shortie is a far more durable replacement, and it bolts right up to Ford's turbo compressor cover, letting you turn up your Fiesta's performance without costly custom work.
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