Havok Engineering Nissan S14 SR20DET Stage 3A ECU Upgrade Board CN9A You send us your EVO

You send us your EVO V

Improved low - mid range torque

You send us your factory ECU

23710-11U60

What to expect:

Havok Engineering Nissan S14 SR20DET Stage 3A ECU Upgrade Board CN9A You send us your EVOThe Real Deal Havok Engineering tuned daughterboard upgrade for the Nissan S14 (Pre Facelift Zenki) Silvia with an SR20DET engine. Designed to fit in the factory ECU, these remap the ECU with performance settings. These are available for Manual Transmission cars. Features: Performance tuned fuel and ignition maps The 180 km h speed cut has been removed. Tuned for 550cc Injectors (Nismo) Tuned for a Z32 AFM Tuned for a GT RS Turbo The rev limiter has