Pay in 4 interest-free payments of $42.25 Learn more
Ships within 48 hours · Estimated delivery Oct 22 - Oct 27
23710-74F01
The car will start to build boost while you are launching
Soldering and desoldering is required for installation
these replace the stock chip with performance settings tuned for the R33
2 X Mounting brackets
Havok Engineering V1 V2 WRX GF8 (Wagon) ECU Upgrade Chip - 16 PSI Flash 23710-74F01The 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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