Been trying to work on this, bought the wrong part as a test mule, efforts to find the right one have yielded no results so far.
So the poll is:
1. These hood vents look good enough to go ahead and cut into the original hood.
2. Are you nucking futz? Wait until you find a donor hood and even then think twice.
(They would eventually be painted to match, these are clearly just photocopies of the actual vents, 100% scale)