Curious, had a tri carb vette, the filter was just a screen as you describe, but had an oiled foam "filter" similar to GM's HD air cleaner option. So, is the attached pic an actual L-88 air filter reproduction? It appears to be the same concept, a screen with an outer foam wrap.

E13591.JPG

'68 Fury Convertible
'69 300 Convertible
'15 Durango 5.7 Hemi
'16 300 S Hemi