18” wheels on TJ

you'll need adapters because the bolt patterns won't match, and you'll be carrying a bunch of excess weight putting more stress on your unit bearings. Also drives you to MUCH more expensive tire options than you'd find with a smaller wheel.

Not sure of any pros.
 
As said, you can do it with wheel adapters because of the different wheel bolt pattern. I see no pros actually. You need wheel adapters, replacement tires cost more, and 18" wheels look lame on a TJ.
 
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