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Improved low end torque
as there is wiring work to be done
R34 Skyline
The Real Deal - Havok Engineering tuned daughterboard upgrade for the Nissan S14 (Pre-Facelift / Zenki) Silvia with an SR20DET engine
Holes must be drilled in the flange on the front guard behind the bumper
Havok Engineering 91-93 (Facelift) Subaru Legacy / Liberty GT or RS ECU Upgrade Chip with Launch Control - 16 PSI RB20DET Improved low end torqueThe Real Deal Havok Engineering tuned ECU upgrade for the 91 93 Facelift Subaru Legacy or Liberty GT or RS. Designed to fit in the factory ECU, these replace the stock chip with performance settings, and add a few extra features. Features: Performance tuned fuel and ignition maps Launch control code added, and set to 5000 rpm. This can be adjusted upon request. The 180 km h speed cut has been removed. The rev limiter has been raised to 7400 rpm. This