Are you sure it's not dropping just a little bit? I had the same issue, exactly like yours, but my window moved just a tiny bit, it was the passenger side too.
This is what fixed it.
http://986forum.com/forums/general-discussions/25704-window-regulator-permanent-fix-stretched-cable.html
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2003 Boxster S
| 987 Air Box | K&N Air Filter | 76mm Intake Pipe| 996 76mm TB | 997 Distribution T | Secondary Cat Delete Pipes | Borla Muffler | NHP 200 Cell Exhaust Headers |
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