Tire size on 2006 Jeep Wrangler

I have a 2006 wrangler with 215/75/15 tires. what size tire can I safely but on it. I would like to put on 235/75/15 on it. would this be appropate?

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1 answer
Check with Tire Rack: http://bit.ly/gnHfS They have a tire fitment guide that should help.