Installing rear ported floor standing speaker in a front wall: will it impact performance?

Will installing a floor standing speaker with a rear port, inside a false wall audibly impact the performance? I’m considering constructing a wall in which to hide the cabinets of L-C-R speakers. 

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are you talking about mounting it inside the wall??

you may need to arrange port from the wall then.

For this you don't need to waste floor standing speakers. There are plenty of better wall designs you can do with raw drivers purchased from