Astra GTC VXR Stage 1


Stage 1 comprises of an ECU remap, with or without dyno runs, Bluefin unit and customisation if required


A cars power is controlled by its computer (ECU), a remap is when we adjust the settings within the ECU to add more power via boost, fueling, ignition timing etc. Many years are spent developing our ECU remaps to ensure safety, longevity and reliability as well as increased power, torque and better fuel economy.

A stage 1 ECU upgrade refers to any vehicle which otherwise is standard, no other performance upgrades are present, the map is designed to work within the tolerances of the standard components including drive train, gearbox, diff etc to ensure complete reliability as well as increased driveability.

Power increase 20-25ps
Torque increase 40-45nm

All of our ECU remaps are covered by our comprehensive ‘lifetime’ warranty which offers identical cover to your Vauxhall warranty so you are completely covered in the event of any issue – just take it to one of our local Vauxhall dealer Performance Centres who are all specially trained to deal with any eventuality.