Jeep Wrangler

What size tires for a 1997 jeep wrangler tj?

I have a 1997 Jeep Wrangler TJ and it is a 2.5liter, 4 cylinder and my father and i are debating on whether we should get a 4in. or 2.5in. We are also debating on whether we should do 31, 32, or 33 inch tires. [...]