how old are they? Both purchase dates and DOT manufacturer date?
I don't know what model they are, per tire rack pirelli doesn't make a model in both those sizes. I looked at the 1st 325/35/22 pirelli tire i saw and they said "Workmanship & Materials Warranty:
Unlimited Time / Free replacement first year or 2/32" wear, then prorated until 2/32" remaining depth"
So if the tire dealer isn't helping with a warranty claim perhaps call pirelli.
That said, how does the vibration manifest? steering wheel, floor pan, etc.? maybe its not a tire.
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Scott from NJ
Feather-light suspension, Konis just couldn't hold
I'm so glad I took a look inside your showroom doors
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