Subaru WRX 2015 - 2017 2.5 STi 300hp ECU Remapping
A professional ECU remap can optimise the way your Subaru WRX delivers power and torque, helping the vehicle feel stronger, smoother and more responsive in everyday driving.
The expected Stage 1 figures for this vehicle show an increase from 300 BHP to 330 BHP, with torque improving from 407 Nm to 467 Nm.