There is a definite performance improvement.
The OE springs do not transition well between progession stages.
The first stage is far to soft.
Since I track the beastie... it was a no brainer for me.
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'21 M2C Hockenheim Silver
'18 718 Cayman S Lava Orange (sold)
'13 E92 M3 Santorini Blue (sold)
'07 Z4 M Coupe Alpine White (sold)
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