I installed the aluminum cover today, and reinstalled the Panbar. The clearance between them is about 1/2 inch. So it is not an issue at all.
My car is 2014 V6 with manual transmission.
2014 Mustang V6 3.7L 6-spd manual, with MGW shifter, Airaid CAI, BBK shorty headers, Corsa Sport axle back, strut tower brace, JLT oil separator, GT500 differential cover, BG Synchro Shift II gear oil, Redline differential oil.