without getting into a debate if they are your thing or not as most people do on this subject can someone advise me on the gfb stealth fx bov that i have bought for my07 wrx weather it can have adverse performance affects on my car? thanks in advance

 

Well cars such as the Impreza,equiped with a Mass Airflow Sensor just don't perform to their best when they dump air to the atmosphere and not back past the sensor.

It WILL cause overfueling,lumpy idle,jerky gearchanges and reduced throttle response.

This type of question is asked soo many times.Perhaps it's about time the manufacters/suppliers of these pleb items come forward and explain to us all the benefits themselves