KW variant 3, as per their features, utilize "Inox-line" stainless steel to prevent all rust.
I personally run KWv3, and after 15k+ miles, there is ZERO rust or corrosion. They are dirty, but if you clean them (which I don't bother, you can't see it anyway), they look brand new every time. The height adjustment works perfectly too.
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2012 Pearl White 370Z GReddy Twin Turbo
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