[Zeorymer]

The center one with the shot of the exhaust...
Is that a Tanabe Racing Medallion on it?
It really looks like it, and it looks like it fits so well on it also.

Just a random observation... Was going to post this in off-topic, but it is Subaru related, so I decided against it

 

[RS25.com]

I actually have no idea. Um, and I can't remember who made that graphic for me off the top of my head, let me see if it comes to me and he can probably answer for you...