You can request for a Tuning Calibration for your Opel Astra (H) - 2004 - 2009 1.8i 16v 140hp 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 140 HP to 150 HP, 175 Torque to 190 Torque within a Stage1 Calibration package.