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I agree with CoCyclist, my exhaust is not really hot enough to melt it...
If you have a turbo car with an intercooler, which I don't (yet, watch this space for the addition of a Mini Cooper S intercooler) then the exhaust gas temp is drastically decreased.
I like your full width tray CoCyclist. I may extend mine in a similar fashion (leaving the cat open).
Just a 500 mile drive on motorways (nice and hot for engine + exhaust) to test it out, and I'll probably have some MPG results.
@lunarhighway, the spacing is only to allow me to change the angle, my fuel tank sits low and without spacers, the tray goes straight to the bumper at quite a steep angle. The rear portion of the tray is pretty much sealed at the front edge, so not much venting will happen.
The reason for the current gap is simply that was the length of bolt I had lying about. I probably need longer.
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Will you recoup money spent on mods in fuel saved? see my spreadsheets here
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