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GrimmSpeed MAF Block Off Plate

When you upgrade your Subaru to a Blow Through System you will need a way to block off the location where the old MAF Sensor was located.
The Grimmspeed MAF block off plate is a simply, clean metal plate that is necessary when converting your WRX EJ motor over to a speed density setup or blow through MAF setup. This block off plate screws in easily and can be removed just as fast with no detection of it ever being installed!
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Year Make Model Submodel
2007 Subaru Impreza WRX TR
2005 Subaru Forester XT
2005 Subaru Impreza WRX
2004 Subaru Forester XT
2004 Subaru Impreza WRX
2004 Subaru Impreza WRX STI
2003 Subaru Impreza WRX