I'm about to pull out my 18" wheel under my house somewhere 
According to this calculator
I can either go 215/40/18 or 225/40/18 with marginally over or under in speedo reading. I'm sure there are plenty of Mk4'er has 18" wheel here, what do you guy use ??

According to this calculator
I can either go 215/40/18 or 225/40/18 with marginally over or under in speedo reading. I'm sure there are plenty of Mk4'er has 18" wheel here, what do you guy use ??
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