That's a 20.5 foot long boat, not a 22. We had those molds at Advantage, in fact I think they still offer the boat in their line up. Great little hull, does everything well. We even built 3 or 4 of them as v-drives, not so great. lol. But great jets, infact they're great I/Os and outboards too.
A friend of mine had a boat that looked damn near identical to that one, except with an outboard on it. It had a center steer set-up, & the guy he bought it from said it had been converted from a jetboat to run the wakker. It was kind of a strange set up, but it ran pretty ok. Fastest he ever GPS'd it was 64 or 65 mph. It was titled/registered as 1969 Tahiti..... He figured someone just used the registration from a junk boat to get stickers for that one... Wish I had a pic of it to post.