I went back and looked at the '03 brochure post and couldn't find any reference to indicate that the headrests can be tilted.
Has anyone actually seen this in writing ... or are you guessing from pictures?
Edit: I just checked the acura website and from what I read the headrests are not tilt adjustable. Twice they mention "a height-adjustable headrest", but no mention of tilt. So it looks like no change from '02 version.
The headrest guide (part 7 in the diagram) is the same part number for 2003 as it was for 2002, so the 03 headrests should fit correctly. The headrests themselves are different part numbers, so either they are different in functionality, or possibly just leather differences. Not sure.