Do I need to do a fet upgrade for lithium and stage 2 motor?
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Flat Black Supra
-Engine
Stage 2 Drift motor
-Exterior
Flat Black Custom Paintjob
Blue EL wire underglow (ordered)
Command Logic Lights (x2) foglights & extra taillights...
5Zigen Wheels
-Other Mods
AWD
No u dont FET is only for ultra hot motors like the ones that goes 30 mph. FET does not have anything to do with speed or handling. And yes you can drive lithium and a stage 2 motor without upgrading the motor.