2.5 WRX STi (280 HP/ 206 kW)

Torque Increase (NM):71Economy Gain (MPG):15Power Gain (PS):50RaceChip S Tuning BoxUp to 20% more power and torqueUp to 10% fuel savings5 fine tuning mappingsEasy installation in 10 minutes including installation instructionsTuning perfectly tailored to...

Torque Increase (NM):87Economy Gain (MPG):20Power Gain (PS):58RaceChip RS Tuning Box - Non Bluetooth VersionThe bestseller of the RaceChip tuning boxes. Completely newly developed optimisation software with engine-specific tuning, high-quality hardware...