I'd have to put a plug in for James River Jets (jamesriverjets.com). I have a 16 footer w/ a 60/40 jet OB. This thing goes in scary shallow water. Only had it three years and I'm still working on my nerve. Boat is very fishable and handles great. I fish the upper potomac and Shenandoah...
I suspect you might get less performance than you anticipate based on this source: https://www.snyderboats.com/faq.htm. Seems like a mostly flat hull (with maybe a limited V) is optimal.
I just found this site - all the other jet boat forums I found are pretty exclusively Northwestern (Oregon, Washington, Alaska). Perhaps it's too much of a haul, but there are a few manufacturers on the East coast that make great tunnel hull jets. I have a James River Jet (16 footer). It's scary...