Yes it will likely cause issues. It wasn't RPM's tuning that was causing the JMS to be incompatible, it's the interference or communication issue that appears to happen when you flash the ECU with the JMS.
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2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
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