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Premier Tuning Group ECU Tune Upgrade for Select AMG Models
80-100whp gains on Stage 1
Stage 2 with downpipes 110-130whp gains
PTG holds the records for fastest 60-130 times for both C63s and GT.
Now who wants to go fast...
If you have any further questions or concerns regarding this item and install instructions for the tune please reach out to us at firstname.lastname@example.org