Will, do me a favor (if you already have the DWSs) & measure or have the installers measure the tread depth on the DWSs.....I put a set of them on the wife's 08 ....& after only 3,500 miles I'm measuring them as only having 8/32nds....

The "S" is still showing, but, I'm thinking they didn't really start out as having a 10/32nds depth as the spec chart on Tire Rack states.

The wear pattern doesn't suggest it's out of alignment & with a UTQG rating of 540 (warranty of 50,000 miles) I wouldn't expect 2/32nds to have already burned off in only 3,500 miles.