RMS adjustable struts - noise, harshness?

Well to be honest it'll stiffen the steering and handling of the car up quite a bit. The front of our cars tend to wander and these being stiffer with harder bushings will prevent the car from wandering as much. As for feeling the bumps and such more, I highly doubt it as the torsen bars are still performing that job.

Will you get a little more vibration? Hard to say until you try them on your specific application.

Harshness - Might feel the road a bit more, but isn't that the point of them? Firm feel?

I say try them out but keep your stock ones and switch back if YOU don't like them. I wouldn't let someone else make a decision for me.

Riddler