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Tuning
Tuning
Holden
Signum
Mk1

Holden Signum Mk1 tuning

Pick your engine.

2.8L V6 Turbo 24v LP9250 PS · Petrol · 2003–2008

Ready when your car is

Tuners send a file to the file service. Car owners book a slot at the workshop.

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ECU and TCU calibration, in our workshop or as a remote file service for tuners.

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