Havok Engineering V1 V2 WRX Spec 1 ECU Upgrade Chip – Launch Control / Overheat Protection - 16 PSI
Havok Engineering V1 V2 WRX Spec 2 ECU Upgrade Chip – Launch Control / Overheat Protection - 18 PSI
Havok Engineering V1 V2 WRX Spec 2 ECU Upgrade Chip - 18 PSI
Havok Engineering V1 V2 WRX Spec 1 ECU Upgrade Chip - 16 PSI
Havok Engineering V1 V2 WRX GF8 (Wagon) ECU Upgrade Chip – Launch Control / Overheat Protection - 16 PSI
Havok Engineering V1 V2 WRX GF8 (Wagon) ECU Upgrade Chip - 16 PSI
Havok Engineering 91-93 (Facelift) Subaru Legacy / Liberty GT or RS ECU Upgrade Chip with Launch Control - 16 PSI
Havok Engineering 91-93 (Facelift) Subaru Legacy / Liberty GT or RS ECU Upgrade Chip - 16 PSI