It will vary state to state. Check your local laws. I would not run a gigantic cowl like that unless I absolutely needed it if I was going to be driving it on the roads alot.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.