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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
S14 Silvia / 180SX / 200SX
No boost controller is required
23710-04U70
Boost controller capable of 18 psi (an external wastegate will work fine)
Supported ECUs:
Havok Engineering - R33 RB25DET ECU Upgrade Chip - FOR THE R33 ECU!! 7 S14 Silvia / 180SX /The Real Deal Havok Engineering tuned MCU upgrade for the Nissan Skyline R33 GTSt with an RB25DET. Designed to fit in the factory ECU, these replace the stock chip with performance settings. These are available in Automatic or Manual, and Series 1 or 2. The major problem with the R33 Skyline's ECU is its inability to handle modifications to the motor. The ECU easily revertes to "Rich and Retard" (R&R) mode, killing power, and efficiency. Features: