Originally Posted by Jam-ehz

The M-04's components are much lower than the 03's. Since the motor is mounted in the rear, that leaves room in the front for the servo to be mounted within the body pointing down, not mounted on top pointing forward.

The design does look much cleaner and lower than the M-03, and in terms of performance, mine basically acts like a touring car with 2WD, but strictly indoors on carpet. Outdoors it can be a handful if it's not a decent surface and you're heavy on the throttle.

Since everything's so low, it also allows for more sportier bodies (Miata, for example) to be mounted.