King Air 350 Exhaust Plumes Missing

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Brief description of the issue:
King Air 350 Exhaust Plumes Missing

Provide Screenshot(s)/video(s) of the issue encountered:
Difference to clearly seeable TBM 940 exhaust plume with same type of engine

Detailed steps to reproduce the issue encountered:
Every time when King Air 350 is selected

PC specs and/or peripheral set up if relevant:
not relevant

Build Version # when you first started experiencing this issue:
Since first build

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Do you have the same issue if you follow the OP’s steps to reproduce it?

Provide extra information to complete the original description of the issue:

If relevant, provide additional screenshots/video: