Genuine Greddy blow off valve RZ & RS Fake Greddy blow off valve RZ & RS
Has a golden flange on the bottom and you can see in the picture other small details. Has a silver flange on the bottom and you can see in the picture other small details.
Genuine vs Fake Greddy blow off valve RZ & RS

Genuine vs Fake Greddy blow off valve RZ & RS

Genuine vs Fake Greddy blow off valve RZ & RS

Genuine vs Fake Greddy blow off valve RZ & RS