Bypass Block Plug for Subaru Impreza WRX STI Atmospheric Blow Off Valve 1” Inch Throttle Body 2009 Subaru Forester XT

2009 Subaru Forester XT

AND IMPROVED FUEL ECONOMY

• OEM spec header gasket

– Reduces Heat Transfer Into The Intake Manifold

If you want to use braided hose with AN fittings

Bypass Block Plug for Subaru Impreza WRX STI Atmospheric Blow Off Valve 1” Inch Throttle Body 2009 Subaru Forester XTBypass Plug for Subaru Impreza WRX STI Atmospheric Blow Off Valve 33mm BOV USA Our MadDogPerformance blanking plug fits most Subaru Impreza WRX's or STI's. To ensure this part fits your vehicle, just un clamp your recirculating valve hose and measure the inner diameter of the hose. If it is 33mm or 1. 30 inches, than this plug will work for your application. However, if the inner diameter of the hose is larger or smaller than 1. 3 inches or 33mm then