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It's not "coming off" that I'm concerned with at all. It's putting it on that's the hard part especially laying on the tarmac in the race track paddock. You need a 3/8 to 1/2" lead-in before the hump to mount the duct before you try to force it over the hump.
You will see what I speak of on the outlet to this bumper duct, below.
I can update the files for that no problem. Thanks for the heads up.
