ChipTorque's performance tunes will provide performance enhancements for a standard STi of up to 20kW in power at the wheels. For modified vehicle's our tuning will deliver corrections to lean mixtures which is commonly experienced with some aftermarket modifications to this model vehicle, while correctly matching changes to fuel, timing and cam timing to maximise your vehicle's performance potential. ChipTorque offer mail order tuning solutions with Ezy-FLASH PRO to suit a range of modifications.