Turbosmart - Subaru 15-21 WRX - IWG75 Internal Wastegate Actuator -7 PSI (Black) subaru-legacy-gt-2007 the PERRIN Blow Off Valve

the PERRIN Blow Off Valve is sized perfectly to relieve any amount of boost pressure without fear of compressor surge

(3) O-rings

that's what we thought

The first accepts the hot charge air from the turbo and feeds it to the intercooler core

Laser Cut Flanges:

Turbosmart - Subaru 15-21 WRX - IWG75 Internal Wastegate Actuator -7 PSI (Black) subaru-legacy-gt-2007 the PERRIN Blow Off ValveTurbosmart Upgraded Wastegate Actuators have been developed to provide the maximum possible boost response for your factory frame turbocharger. The Turbosmart IWG75 Series of upgraded Actuators benefit from an increased Working Ratio over the factory equipment resulting in improved boost response, throughout the RPM range. This Improved working ratio is achieved through an increase to the effective surface area of the diaphragm & revisions to the