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RENNtech | ECU Upgrade | McLaren MP4-12C | 644HP / 487 LB-FT

RENNtech ECU Upgrade for the McLaren MP4-12C. Up to 644HP and 487TQ. Gains: +44 HP & +44LB-FT

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RENNtech | ECU Upgrade | McLaren 650S

RENNtech ECU Upgrade for the McLaren 650S. Up to 681HP and 544TQ. Gains: +49 HP & +44LB-FT

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