Changing the suspension setup will alter the driving dynamics of any car. That beings said, too much of a drop can indeed be counterproductive. Mountune claims to keep the suspension similar to stock, while allowing for a lowered ride. I have absolutely no issues with rubbing.
Per their site:
- 5% (front OE springs 172lbs/in mountune 181lbs/in)
- 5% (rear OE 137lbs/in mountune 144lbs/in)