Thread: 3.3RS Dyno Run
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      03-21-2012, 01:54 PM   #12
turb0mik3
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Drives: E90 335i Racecar
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2010 BMW 335i  [8.90]
Quote:
Originally Posted by EFI Logics View Post
It's to reduce aerodynamic drag. Air gets trapped within the lip of the rear bumper and the holes provide an exit for the air.

-Josh
So that is why I see Hondas with that shit. Why not just make a valence diffuser and solve that problem and get better airflow? Is that within SCCA specs or whatever?
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