Quote:
Originally Posted by ajcarson11
As mentioned, you can soften or stiffen the Tein Flex Z. You'd be able to reach the same spring rates as the stock, or go stiffer/softer as desired.
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I thought the spring rates weren't adjustable. I'd read the stock FR-S spring rate is 2.3K (front) and 3.8K (rear), whereas the Flex Z's have a spring rate of 6K.