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The COBB Stage 1+ power package for the Nissan GT‑R with TCM flashing combines engine tuning with transmission calibration to improve drivability and shift behavior. This integrated Stage 1+ SKU is intended for GT‑R owners who want coordinated ECU and TCM adjustments; consult COBB product notes for the exact scope of software updates and any required supporting hardware.
Cobb Nissan GT-R Stage 1+ Power Package NIS-008 w/TCM Flashing
