Shower arm too short

[Timberfrog]

My plumber installed the rough in for my shower head arm too far back in the wall and the shower arm only sticks out of the wall 3 1/2". I would like to increase that length. The rest of the trim is brushed nickel from American Standard and they don't make a longer shower arm in that style (the standard shower arm). Is it possible or even a good idea to put some kind of fitting in the wall to bring the shower arm forward or should I keep looking for a longer arm with a matching finish? Can anyone recommend n arm with a finish close to American Standard's brushed nickel?

 

[WorthFlorida]

There are all kinds of shower arms of different lengths. Stacking fittings behind the wall could be a problem to get enough torque on the fitting for a leak proof setup might be difficult. It's doable if a longer arm cannot be found.

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