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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
23710-04U11
Launch control code added
5 bar (22 psi) of boost
The rev limiter has been raised to 8500 rpm
these replace the stock chip with performance settings tuned for the R33
Havok Engineering V1 V2 WRX GF8 (Wagon) ECU Upgrade Chip - 16 PSI Flash 23710-04U11The Real Deal Havok Engineering Spec 1 tuned ECU upgrade for the Version 1 and Version 2 Subaru Impreza WRX or STi WAGON. 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. Tuned for the TD04 Turbo The 180 km h speed cut has been removed. The rev limiter has been raised to 7400 rpm. This can be adjusted upon request. The boost cut
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