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Tuning
Tuning
Hummer
H3
Mk1

Hummer H3 Mk1 tuning

Pick your engine.

3.7L Vortec 20v LLR245 PS · Petrol · 2006–2010
5.3L V8 16v LH8305 PS · Petrol · 2006–2010

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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