no, don't, if it isn't a type-R, you'll get "Rice boy" comments left and right. If you can beat a Type-R around the track, then why would you want to put a badge of a slower ride on your car?
The STi thing is like Honda owners putting NuSpeed (sp?) stickers on theirs. They have NuS parts, so they toss on the sticker, we have STi stuff on, so we toss on the badges.