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23710-82FXX
and can be retuned using open source software
these replace the stock chip with performance settings
The Real Deal - Havok Engineering tuned daughterboard upgrade for the Nissan Skyline R34 GTT with an RB25DET Neo engine
Performance tuned MCU chip
Havok Engineering ER34 GTT RB25DET NEO Pre-Tuned Daughterboard - Stage 1 RB25DET 23710-82FXXThe Real Deal Havok Engineering tuned daughterboard upgrade for the Nissan Skyline R34 GTT with an RB25DET Neo engine. Designed to fit in the factory ECU, these remap the ECU with performance settings. These are available in Automatic or Manual. Features: Performance tuned fuel and ignition maps The 180 km h speed cut has been removed. The rev limiter has been raised to 7400 rpm. This can be adjusted upon request. The boost cut has been removed. Tuned