I was thinking about getting the the Passport hood air deflectors. First question - What is the true purpose and do they work? Second question - Do they look good? ( I have the black pearl Passport). Third Question - They make a low profile and a high profile. Are there advantages to either and what looks best? Fourth Question - Does anyone have good pictures of the air deflectors installed on your car? Last question - Are they worth it? Thanks for any help and advice you can give me.