Nissan Serena C25 C26 2.0 2.5 101 118 108 kW 137 160 147 HP 2005-2016. Key Benefits of GS2 Chip Tuning GS2 Chip Tuning - Key Features. How does the GS2 Chip Tuning Work?. The GS2 module connects to one of your car’s sensors using a dedicated plug.
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