Bilstein and KYB are quality Shock Absorbers, made from premium materials and components. KYB is manufactured all over the world, innovation and quality are high on the list, they are also slightly cheaper than Bilstein. However, Bilstein is a pioneer in this field with decades of expertise and experience and is superior to KYB in every department. The long list of OEM contracts speaks for itself, particularly when supplying German car manufacturers like Porsche, Audi, BMW, etc.