There aren't that many CJs around here that I can compare appearances with. I do like the look of my not so wide but taller tyres. I have seen a couple of TJs with really wide tyres (primarily on-road) and it looks kind of odd (IMO).
I had moved from 225s to 265s and the on-road driving / stability / cornering seems to have improved a little bit. I haven't had a chance to test them off-road yet, so can't comment. 225s on a TJ looked too thin and left a lot of space under the fender flare outer lips.
TW
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01 TJ Renegade 4.0L Auto D30/44, 265/75R16 BFG Muds