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The rev limiter has been raised to 8500 rpm
The car will start to build boost while you are launching
23710-74F01
1) USB Consult Adapter
Soldering and desoldering is required for installation
Havok Engineering V1 V2 WRX GF8 (Wagon) ECU Upgrade Chip - 16 PSI Flash The rev limiter has beenThe 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