My off idle stumble was caused by a dirty throttle body. As soon as I removed and cleaned it it ran like new.
2014 Sterling gray GT 6M
Paxton Novi 2200 with torque booser and Lund tune, DW1000 injectors, JMS BAP, ATI damper
Lethal ORP, MGW shifter, BMR upper and lowers, Spicer 1 piece DS, Ram Single disk clutch with aluminum flywheel, Power leather seat conversion. Staggered wheels.