Really?? Bloody hell - a lot of wonga for a hose!!

I think it may be the red hose which runs down through the drivers side wheel arch for 2 reasons;
A) I'm bloody unlucky with cars and it'll always be the most expensive option.
B) The whooshing / hissing / air noise that I hear with drivers window open is coming from around that area and apparently the black smoke is a characteristic of that probelm? Is that correct?