For Sale, 2 Yokohama Advan Sport 245/45R18. Rear OEM replacements for the 370z. You can probably get one more season out of them depending on how hard you drive or if you've toasted your current tires and don't want to bother with brand new ones until next year.
Purchased March 2012 from Discount Tire and used for two summers only -- 15,463 miles. The original set lasted 23,637 miles before these were installed. Great tires, good handling and quiet. $250 for the set.
Sold As-Is without warranty
Pics on the craigslist ad:
Set of 2 Yokohama Advan Sport 245/45R18 96W