aaaannd this didnt take long....
I was hoping (since I already had these plug wires) that with ceramic coating the headers, and DEI insulation sleeves, they'd be ok... but after an hour's drive to work, two are toast.
The Fix
Get cut to length spark plug wires.
FAST 295-2422.
fast 295-2423, or something like MSD 32073.
Ideally with 90* spark plug boots.
Then moved the spark plug wires around the the front of the engine, supported them with insulated hose clamp off the head, then go under the headers.
I've since sold my CX headers and customized some Sikky headers to work.