Quote:
Originally Posted by finch1750
I guess it depends on if you believe air would get caught in the bumper. In this case it would then divert it to the oem brz "diffuser" - if that is considered one under the rules.
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It's fairly simple, actually.
If diffuser connects to underbody tray in continuous motion, it's applicable.
If not, it's not a big deal.
Visual representation:
https://www.google.com/search?q=unde...w=1600&bih=813
-alex