The most powerful Magna ever produced was actually a TJ series FWD VRX that came
with a Sprintex Supercharger.
It benefits from the many extras offered like the dual exhaust system & it's final power output was 251kw & 440nm while weighing 1472kg.
The AWD model also came with a Sprintex Supercharger that boosted power to 226kw & 422nm while weighing 1604kg, definitely the best handling Australian made car in it's class at the time of launch.
They have started doing manual conversions to them which makes them extremely powerful due to the 80kg weight drop it brings, in fact if you switch to a flat tyre repair kit than it makes them lighter & more powerful than the locally delivered EVO X.