Will the 1 7/8" and 2" TTI headers fit eagle 5.7 heads?

I'm swapping a eagle 5.7 into my 70' Duster and I see that the larger tube TTI's have a round over sized port. I am new to Gen 3 Hemi's but I believe the 6.4 and the eagle 5.7 have the same exhaust port shape. They don't list the 5.7 as fitting there larger tube headers. Has anyone used the round port on the eagle 5.7? Thanks

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