I’m no expert, but I strongly suspect yes. I bet Canadian law is clear. Maybe if you hide them in a bushel of marijuana…
How much duty would you avoid? How much more does the same tire cost in Canada? I thought Canada had tyres, not tires…
BTW, you pay a disposal fee on auto tires bought in most states.
Only if they catch you: is that likely?
Wasn’t it cold by then? I always eat my hamburgers hot off the grill.