Convince me to put a TKX in my Dart

@ESP47 , I've had a few ideas, and some inspiration from other forum members here.

I've thought about just welding the cut sections flat, then making a hoop over them, kinda like this:
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It would have to be slimmer than that, because that will not clear that upper part of the TKX where the shifter is.

I've also taken inspiration from ToddRonn's crossmember, the picture below is from @72bluNblu .

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@DC Dart also has a thread called "Tremec TKX First Cuts". On the bottom of the first page, there are pictures of the setup he fabricated, which is awesome. Probably my favorite. Pictures below:

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I did however revisit a link that user @DionR sent me a while back, Hooker Blackheart part number BHS578. That is the upper crossmember hoop to be used in a Gen III Hemi swap with a NAG1 transmission. I think it will fit, especially because Holley says that is to be used with part number BHS572, the lower crossmember section, and on the product page for BHS572, Holley says it will fit a TKX! I just got off the phone with them; they also think it will fit, and told me I would get my money back if it doesn't. So I just bought it. The design on that piece is damn near perfect, and it's 1/2" steel!