When it stops raining, I'll check mine.
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When it stops raining, I'll check mine.
Mine doesn't have film but you can see the start of wear marks. Maybe I should use some film.
Below are top and underneath pictures of a JSP spoiler sold in the USA that appears to be identical to the Overfinch one. The top has a rounded leading lip that looks to send air over the top and the underneath is flat. Hence I suspect that its not going to divert air to have any effect on dust-filled rising air even if angled up at the front / down at the rear.
JSP have been made aware of the desire to have a deflector for dust reduction and have been asked to what extent their spoiler might be useful for this purpose.
https://www.aulro.com/afvb/images/im...016/01/846.jpg
https://www.aulro.com/afvb/images/im...016/01/847.jpg
It was from the PowerfulUK site to show tail pipe ends I think.
There was this design which might have better design qualities.
Attachment 103868
It was from the below site.
http://www.dynamiccustoms.co.uk/gall...22-conversion/
Your picture and link are Overfinch which look identical to my close-ups - no good for redirecting air downwards.
Edit: I found the rear spoiler pic on PowerfulUK and another there showing 2 RRs back to back, with one having a very dirty rear window.
https://www.aulro.com/afvb/images/im...016/01/835.jpg
However the clean one is also clean behind the rear wheels so hasn't seen dirt or road grime since it was washed. The other one is typical - clean everywhere except the tailgate and a little dirt behind the rear wheels.
Here's another, slightly different to your last pic.
Attachment 103871
Their website is below.
http://xclusivecustomz.com/product/r...-roof-spoiler/