The Nismo coilovers have stiffer springs than the standard OE setup. Whether the dampers are made by KYB or not, I'm sure they're properly damped for the higher spring rate. I've read Rico's review on the S-Tunes and they certainly don't sound under damped.GuSpeed wrote:dammit too late of reply. I already bought KYB AGX with S-tech. Dammit!!! I thought since Nismo S-Tune shock is KYB what if its the same as GR2. You see what I mean?