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2014 + Fiesta ST Boost Operated Blow Off Valve

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Product Description

Install video: 

Routing Diagram


Specifically designed for USDM 1.6 Fiesta ST 


Boomba Racing is proud to announce our Boost Operated Blow Off Valve for the 2014+ Fiesta ST.


This kit will replace your weak and leaky OEM bypass valve in favor of something much more up to the job. The Boomba Racing Boost Operated Blow Off Valve comes with everything you need to install on your vehicle for a true plug and play installation. It features 100% vent to atmosphere operation and billet aluminum construction with a brass piston to ensure leak-free operation for years to come.


The Boomba Blow Off Valve uses an ECU controlled solenoid that provides the blow off valve with both vacuum and boost pressure. Using boost to close the valve keeps it sealed no matter what the boost pressure is. The higher the amount of pressure, the stronger force there is keeping the valve closed. Vacuum is used to keep the valve open in this configuration. This with the combination of the ECU controlled solenoid prevents the valve from any fluttering or premature opening. This also works to eliminate any unwanted pressure spikes during venting. The purpose of this blow off valve is to prevent turbo lag and allow the car to hold boost in a steadier manner. When the throttle plate closes, excess boost pressure is vented so that the turbo can continue to spin during higher RPMs rather than surge from backpressure. The blow off valve is tested to over 75 PSI to ensure leak-free operation. The electrical connection on the provided solenoid matches right up with your factory wiring and there is no need to splice or trick your ECU with resistors.


Don’t hesitate; pick up lost power by replacing your factory BPV with a Boomba BOV, today!


As always this product is designed and manufactured 100% in-house in the USA.


Available in your choice of color: Onyx Black, Royal Blue, Race Red, or Pure Aluminum





Product Color Disclaimer
Due to variances in the anodizing stage of production that are beyond our control, actual color hue may be different than what is pictured and what has also been previously offered by Boomba Racing. We apologize for any inconvenience and we sincerely appreciate your understanding. For further clarification, feel free to contact us.

Product Videos

Ford OEM Bypass Valve [BPV] vs Boomba Boost Operated BOV Leak Test (02:21)
In this video we demonstrate how the Boomba Racing Boost Operated Blow Off Valve is far superior to the Ford OEM unit [found in both the Mustang Ecoboost and Fiesta ST] and can hold boost much better and at higher levels that the stock piece.
  • Ford OEM Bypas...
    In this video we demonstrate how the Boomba Racing Boost Opera...
  • 2014 + Ford Fi...
    Some sound clips of our Boost Operated Blow Off Valve for the ...
  • 2014 + Ford Fi...
    Link to buy:

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Product Reviews

  1. Pretty Cool But A Bit On The Loud Side 4 Star Review

    Posted by on 19th Feb 2018

    Installed this on my 2014 FiST last week. It certainly adds an interesting sound to my car and appears to hold boost better than the OEM BOV. Installation was straightforward and fairly easy. Very high quality product. I would recommend it.

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