Yes, there are tons of posts saying they are great.
It feels like Tein did the math, but didn't spend a single second in an IS 300 with these to refine them. QUOTE]
As far as I am aware you guys in the USA get the same coilover as the jdm market which as you know the altezza vs a @JZGE powered IS300 is a much lighter car with the 3sge 4 banger up front. So that may lay in part of the problem, the flex's are tuned for a lighter car?