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"8618" Dual Board ECU
Designed to fit in the factory 5808 Single Board ECU
It is not a plug and play install
fitted with an RB26DETT
The Real Deal - This is for a full replacement Havok Engineering Tuned ECU for your EVO IV
Havok Engineering Nissan S15 SR20DET Stage 1A ECU Upgrade Board ECR33 "8618" Dual Board ECUThe Real Deal Havok Engineering tuned daughterboard upgrade for the Nissan S15 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. The rev limiter has been raised to 7700 rpm. This can be adjusted upon request. The boost cut has been removed. Tuned to