You can request for a Tuning Calibration for your Opel Signum 2003 - 2008 2.2i 16v 155hp 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 155 HP to 165 HP, 220 Torque to 235 Torque within a Stage1 Calibration package.