Here is the mudflap photo:
6B91C39B-DC55-40F2-A0B2-D0756DE68AAE_zpsmehq9eyr.jpg Photo by spirit20 | Photobucket
6B91C39B-DC55-40F2-A0B2-D0756DE68AAE_zpsmehq9eyr.jpg Photo by spirit20 | Photobucket
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Not sure which truck you're looking at but my (black) truck's front tires are about 1" outside of the fender line.
Not sure if it was the wheel offset or the mid-perch but I noticed much better handling, more control / stability, etc. I guess it falls under "improvement" because the Raptor certainly handles fine in its stock form. This is even better.