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Old 03-19-2018, 12:49 PM   #3
Member#: 136396
Join Date: Jan 2007
Chapter/Region: MWSOC
Location: Minneapolis, MN
2015 WRX, 2012 WRX,
2013 BRZ, 2006 STI


Originally Posted by Faruchos View Post
I am replacing the Intercooler BPV and Y-Pipe gaskets on my 06 WRX. I bought GrimmSpeed gaskets that say will fit, but they are a different type of gasket. The oem is a rubber band type that sits in a groove and the new one is the flat type. After a little searching, I found out the 06-07 gaskets are different than the rest. I know the new one’s will fit, but should I use it or use get oem?
Originally Posted by Samurai Jack View Post
Grimmspeed only seems to selling one type of BOV gasket for the earlier model cars - 2002 - 2007. I have never been disappointed by any Grimmspeed products I have bought yet.

If you have any concerns, pick up the phone and call Grimmspeed.
Ask them why theirs is different than OEM.
^^^^^ Now that's just good advice We were closed, but good advice in general! Thanks Jack, we always appreciate the support.

To answer a couple quick questions:

Our gasket for the BPV is intended to fit the STI BPV flange. And I believe nearly all vehicles that have BPVs with the STI style flange have the flat flange, with 06 and 07 being the odd-ball with the O-ring. Off the top of my head i think this goes to 08 on FXTs, but lets just ignore it for now.

With the 06-07 WRX being the oddball our gasket still works, it's still sealing on the flat surface, and it's additional thickness helps with any issues of flatness on the plastic face.

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