VF Engineering Performance ECU Software for 2009-2011 Porsche 911 (C2S/C4S/GTS) 323 GTX 8in) Spring Rate - Front

8in) Spring Rate - Front 35 Kg/mm Spring Rate - Rear 40 Kg/mm Warranty 3 Years / 50

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Part Number VOLGOMK6-PST Part Name MCA Pro Street Coilovers Vehicle 2010-2014 Volkswagen Golf MK6 Chassis Code

VF Engineering Performance ECU Software for 2009-2011 Porsche 911 (C2S/C4S/GTS) 323 GTX 8in) Spring Rate - FrontVF Engineering's Performance ECU Software unlocks a significant step up in power, torque, and throttle response for the Porsche 911 (C2S C4S GTS). Developed in house by VF Engineering's calibration team, this precision engine tune sharpens acceleration and drivability across the rev range while keeping the factory smoothness and reliability that make the 911 so usable every day. Each calibration is tailored to the Porsche 911 (C2S C4S GTS)'s engine