You can find the chip tuning file for your Subaru Impreza 2003 - 2005 2.0T WRX STi 265hp vehicle on our site. These files are created especially for you and handed to you. All our Tuning files are extensively tested on Dynometer. The development of the tuning file for your Subaru Impreza 2003 - 2005 2.0T WRX STi 265hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 265 HP to 295 HP, 340 Torque to 400 Torque.