Titanium Backup Overwrite Newer Files?


I have a rooted EVO and did my backup on 2.1, then updated to a rooted 2.2 ROM. I noticed the Titanium Backup reinstalls the browser, default mail app, navigation, google maps, and basically all the preloaded apps/data the phone comes stock with. My question is, if 2.2 has a newer version of an app already installed, is Titanium backup going to overwrite all the new updated versions with the old version?