Originally Posted by LateBraking
Hopefully when I get my 550 springs in I can give you a positive response. Someone on the forum rode in another person's car with JRZ RS and said the setup tried was very capable of handling daily road work.
R-S3's are 275/35/18 all around. Ran a 265/35/18 front and 285/35/18 rear before, but experienced a bit of under with that set-up. I'm liking the square set-up better.
Good luck with the new spring rate, hopefully it meets your expectations.