Right rear tire has ecessive wear and cupping with the typical 350 z tire roar. on 2003 Nissan 350Z

Shocks seem good and nothing loose or dried out.70,000 miles.I dont want to replace the tires untill the wear issue is resolved.Any ideas?

2 answers
sounds like poss low tire pressure issue. all low profile tires are subject to bad wear patterns.
needs alignment