Clean the filter out with the appropriate cleaning kit and hit the MAF with some MAF cleaner just to be sure. Everything else should be fine. I would not recommend even trying to drive in standing water tho... you suck up enough water and boom, hydrolock.
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 ****.