Xeno Armored Thrusters are useful on the vast majority of ships, similar to Armored Thrusters. The extra forward speed allows your ships to better kite and catch enemy targets.
Xeno Armored Thrusters give a massive health bonus; this has a repair to health ratio of 0.5, which is better than all pre-Xeno Division tech. As a result, ships equipped with this thruster become tougher and still retain good repair efficiency.
Note that this thruster has a very low XP value for its tier, enabling your fleet to fight lower-level PvP targets.
Xeno Armored Thrusters turn slightly slower than Fusion Thrusters, although this is not much of a disadvantage compared to the various benefits.