13.2 doesn't seem relevant. 14.6 is for brake ducting, the under tray ducting is for the transmission. Don't see how 14.10 is relevant either.
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I'd just call it a "splitter" and call it a day. Make sure you get one that has the ducting (alltrack,
GLI, A3 afaiktechnically it has to be off a golf, right?).
I ran the alltrack skid plate in STH - I wouldn't see an issue in STU. Regardless of what it's called, for all intents and purposes it's non-functional from a performance perspectiveI haven't read anything that leads me to believe adding the OEM engine skid plate is prohibited in STU. Any perspective on this from others?
I'm looking to pick this up for numerous reasons, but don't want it to come into question down the road.
Maybe 14.6 would be a stretch? Modifying the undertray for better flow to the brakes?
Maybe 14.10 permits this?