I suppose its down to how long your hair is or if your wife/gf/so looks like Cousin IT when the engine stops and the doors open.
A trip in my friends roadster down the motorway without the wind deflector and windows down confirmed to me that it's a necessity to have one after emerging from the car looking like I had been dragged through a hedge backwards!
A trip in my friends roadster down the motorway without the wind deflector and windows down confirmed to me that it's a necessity to have one after emerging from the car looking like I had been dragged through a hedge backwards!

