It will certainly be one of the best low alt E fighters, but it will certainly get beat

But it isn't gonna be as popular as say the -1C or the N1K2, IMO.
With only average to poor visibility out of that cockpit, plus low ammo loadout coupled with very average 20mm cannons so that its not gonna be a spray and pray aircraft, and only very average turning ability I don't think this plane will appeal to the masses after the newness of its introduction wears off. And lets not forget no bombs, rockets, drop tanks, and a very small fuel load.
Plus the Typhoon is just as fast, and I would suspect that P51's, P47's, and F4U's will all be able to catch it if they come in with a little alt, and Boom&Zoom it.
Not a super fighter by far, but flown correctly with a good pilot it will certainly be a killer. I suspect it will prompt responses of "What the ****!!", similar to how the current Yak does.

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Vermillion
**MOL**, Men of Leisure