Quote:
Originally Posted by 1SerieStud
+1. You'd be surprised what 3M tape can do! Remember the OEM spoiler is attached with just the double-sided tape. Also, the point of spoiler is to provide down force by the air pressing on it, so air forces are always working with the tape (pressing down) and never against it.
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Physics dictate that the front of the tape will experience a pull. What helps is that the spoiler itself does not generate the full down force: rather the different airflow above the car generates extra downward pressure earlier in the airflow (on trunk & rear window)