Artists never seem to be able to decide just how much Headhunters are like X-Wings. You get this, you get round-canopies and fixed wings, you get one engine per wing, you get two engines per wing, you get that... that weird wingless jet thing, and so on. I guess Booster could have modified this one to put S-foils.
Anyway, you can tell it's not a T-65 by the engines on the wings/S-foils. If they're out of strike position, it looks like there's one per wing. X-Wings always have two.