GrimmSpeed Blow Off Valve Flange Gasket 2002-2007 WRX / 2004-2021 STI
GRM020023
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We all know how bad (and expensive!) the OEM Subaru Top Mount Intercooler Gaskets can be. They are one of the greatest sources of leaks in the entire intake stream. Fear not, GrimmSpeed has answered your call! We present to you the GrimmSpeed TMIC BOV Gasket, a direct replacement for the flimsy factory gasket on your TMIC. If you're refreshing your engine, putting on a new BOV, or fulling upgrading your TMIC, is gasket is a must.