I've used mine for the past 2 winters with no problem. A good coat of wax prior to installation and regular removal for cleaning will keep your nose loking like new
I agree. i've had a bra on mine since new (3yrs). A good coat of a good wax & regular cleaning of the back of the bra are key.
I had soooo many stone chips on the nose of my last car ( a Toyota) I felt like I was playing connect-the-dots with the touch up paint. I swore then that I would have a bra on the next car....Have one on the wife's Miata as well.