as an experiment ive plugged my own tire in the past using those off-the-shelf plugs
you push into the hole with a tool and pull out and cut.
even after a year or so and more than 10K miles through both summer and winter,
no issue. for street even those do fine. if you had it plugged from the inside out
at a tire store, im sure they will hold up even better. my previous car running
GSD3's had a 1/4" sized huge plug in there done professionally and was able
to run it the remaining life of the tire with no issue.
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