Never seen the DYRL ducts used; it would seem harder to get a connector to go to ducting with that shape
On the 2015 bumper, this is the only brake ducting i've seen (attached). it's a german race team called BattleBoyZ. I think its got a fat APR wing and some duraflex fenders
If i were to do it, i'd use some NACA style ducts on that same area, leading to ducting to the brakes
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