Best exhaust for 318

I have a 1967 318. It has 3" headers on it, but we will be reducing it to 2.5" so it isn't too large. I would like to know what kind of mufflers to get for it. Will have no cats

1) I'd like it to be less agressive/ more mild, but hear it at WOT. (Im getting cutouts, so no need for it to be too loud of a muffler)

I have a 74 Dart sport with the 318. I went with the kit from Jegs and the welded turbo mufflers.

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