Add Wish List Quick view Add to Cart The item has been added RaceChip RS + App - Citroën C4 (I) (2004 - 2011) 1.6 THP 150 (150 HP/ 110 kW) Torque Increase (NM):60Economy Gain (MPG):20Power Gain (PS):31RaceChip RS Tuning Box - Bluetooth Version with App ControlThe bestseller of the RaceChip tuning boxes. Completely newly developed optimisation software with engine-specific tuning,... MSRP: £258.00 Add to Cart The item has been added Compare