GrimmSpeed MAF Block Off

GrimmSpeed MAF Block Off image 1
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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, well GrimmSpeed has the answer. GrimmSpeed MAF Block Off Plate allows you to do just that! Compact design that features black anodized aluminum for a very clean finish. We have taken it one step further and matched the bottom of the plug to the diameter of the Subaru intake piping so the plug is not in the way of flow!!

  • Easy to Install. Under 2 minutes for installation.
  • O-Ring for a perfect air tight seal.
  • Compact, clean, and proudly displaying the GrimmSpeed Logo.
  • Logical Design. Plate is curved to fit piping for no intrusions into the flow path.
For more information on this product you may visit the GrimmSpeed website.


Part Number



Subaru Impreza
2002-2007 Subaru Impreza WRX / STi
MAF Block Off Plate Subaru WRX/STi 02-07
2008-2012 Subaru Impreza STi
MAF Block Off Plate Subaru WRX/STi 08+

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