... when you roll up to a random impaired driving driving check, and the two police officers spend more time talking to you about your coroplast aeromods (What are they for? How much do they help? Really??) than about whether you had anything to drink before driving.
What's funny is they were so gobsmacked by the air dam and the Kammback that neither of them noticed (or commented) on the lack of an outside mirror on the driver's door, or the AWOL passenger side windshield wiper.