Intercooler piping question

I could order a new pipe, weld on an extension or use a 3-4 inch silicon coupler.
Since the turbos are hard mounted to the engine/headers, perhaps some compliance from the couplers would be good for engine roll.
Your thoughts?
Does have me thinking, I don't see many leaving room for engine roll. Any recommendations on how to manage, or anyone have issues because they didn't allow for enough compliance in the system?
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