Havok Engineering Nissan S13 SR20DET (Red Top) Stage 1 ECU Upgrade Board CD9A It can be changed upon

It can be changed upon request

No boost controller is required

The rev limiter has been raised to 7400 rpm

23710-05U60

N15 Pulsar

Havok Engineering Nissan S13 SR20DET (Red Top) Stage 1 ECU Upgrade Board CD9A It can be changed uponThe Real Deal Havok Engineering tuned daughterboard upgrade for the Nissan S13 Silvia with an SR20DET Red Top 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. The rev limiter has been raised to 7500 rpm. This can be adjusted upon request. The boost cut has been removed.