GrimmSpeed MAF Block Off Plate Subaru WRX/STI 2008+

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SKU grm053002

If 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. The GrimmSpeed MAF Block Off Plate allows you to do just that! This compact design features black anodized aluminum for a very clean finish. We have taken it one step further and contoured the bottom of the plug to the diameter of the intake piping so the plug is not in the way of flow!

  • Easy to Install, under 2 minutes.
  • Durable 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.

Always verify compatibility before purchase.

This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to