You can request for a Tuning Calibration for your Subaru Legacy 2015 - 2018 3.6i 256hp vehicle on our file service site.
These Tuning Calibrations always made in real time suited to your needs and cars maximum ability.
All our Tuning files are made with maximum precision and care to be efficient.
In this particular case, we can increase the power of your engine from 256 HP to 273 HP, 335 Torque to 353 Torque within a Stage1 Calibration package.