GT, I think the ride is firmer for sure, but not the NVD/NVH one might expect, you'll love it!
Alex, my car has the gmg stage 2 suspension as setup by farnbacherloles. It consists of gmg springs(20mm), gmg adj sways(middle f/r), gmg toe links, gmg rear control arms aka bones upper/lower, porsche motorsport cup trailing adj arms(needed with thrust bushings), solid gmg thrust bushings f/r, aggressive alignment-yet streetable as it's my DD, fr -1.5 camber rear -2.1(I could do much more), and a set of the N rated 19" cups to top it all off (1 track day and about 1k miles so far, minimal wear)...... and about 550hp.
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