Bonnet vents?

[Trigger21]

Hi guys sorry if this has been asked before but cant find anything on here. Was looking at bonnet vents and wondered if anyone had fitted these or had any tips or advice on which ones and a how to?

 

[2retro]

Well here's how NOT to do bonnet vents: http://www.peugeotrczforum.co.uk/viewtopic.php?f=6&t=12996 :lol:

 

[Trigger21]

God that looks awful I may have to rethink the vents was thinking about something a bit better placed and more subtle but that may have put me off for life