Ported O/U shotguns are available; Citori, for one offers factory porting, and shops like MagNaPort perform aftermarket porting.
But, several things about the porting in that photo don't lookl exactly right:
- The single, low-velocity plume (not jet) from the port looks very odd. (Porting effectiveness depends on high gas jet velocity...)
- Most porting includes a long row of holes along the barrel -- not a single port. (See the row of eleven (11) holes in the photo below.)
- All porting I have seen is done on both sides of the barrel. Øbozo's appears to only be ported on the right. (Which would tend to shove the muzzle to the left,)
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The muzzle blast smoke looks odd, too:
- The smoke/gas looks low velocity -- "squirted", not "blasted" out
- To my eye, the ejected gas doesn't appear to be aligned with the center of either bore.
- If that white thing at the muzzle of the upper barrel is the cork -- where is the string?
Surely the pResident (of the White Hut) wouldn't post a Photoshopped fake photo - and then tell others not to "alter" it -- further...