You can find the chip tuning file for your Subaru Legacy 2015 - 2018 3.6i 256hp 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 Legacy 2015 - 2018 3.6i 256hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 256 HP to 273 HP, 335 Torque to 353 Torque.