Boomba Racing Fully Adjustable Bypass Valve Red - 2013-2018 Ford Focus ST Subaru-WRX-2011 Increases the overall downforce

Increases the overall downforce

Features EBC's red "brake-in" surface coating for instant safe braking once the installation is completed

Tumbler to Engine Gasket

Includes mounting screws

Divorced wastegate design

Boomba Racing Fully Adjustable Bypass Valve Red - 2013-2018 Ford Focus ST Subaru-WRX-2011 Increases the overall downforceRallySport Direct carries a great selection of quality performance upgrades and accessories brought to you by Boomba Racing. This is the Boomba Racing Focus ST Fully Adjustable Bypass Valve. This is a great upgrade designed to hold boost in both stock or modified vehicles to provide a quick response in between shifts or under deceleration. This is both a recirculating or vent to the atmosphere type bypass valve that relieves pressure back into the