Add Wish List Quick view Add to Cart The item has been added RaceChip S - Subaru Impreza IV (GJ/GP) (2011 - 2016) 2.5 WRX STi (301 HP/ 221 kW) Torque Increase (NM):73Economy Gain (MPG):15Power Gain (PS):52RaceChip 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... MSRP: £179.00 Add to Cart The item has been added Compare