According to the website the Gen 2 isolated designs are "now shipping" though I don't know when they started. Esp. if they are FIFO, you could've got the last of the older design. Maybe call and ask with your part number presuming there is a difference in part numbers between generations. All I can say is the RE isolated mounts, with cups, the increase in vibration is in no way intrusive, the increase is perceptive but not by much. I bet you got a bolt through style
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