COBB Volkswagen Stage 1 + Flex Fuel Power Package (MK7/MK7.5) GTI, Jetta (A7) GLI, AUDI A3 (8V) gt350 the Evolution system dramatically changes

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COBB Volkswagen Stage 1 + Flex Fuel Power Package (MK7/MK7.5) GTI, Jetta (A7) GLI, AUDI A3 (8V) gt350 the Evolution system dramatically changesOur COBB Tuning Flex Fuel Upgrade Kit for VW Audi measures the ethanol content level of the fuel being pumped into your engine and then sends that data to the ECU to be used in a Flex Fuel calibration. The Accessport is the world's best selling, most flexible, and easiest to use ECU upgrade solution for your Volkswagen or Audi. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Follow