Focus RS Custom Tune ECU Calibration by Tunewerks Ford Raptor or you can choose to

or you can choose to have ALL of the fuels that we support to be dialed in

Take your Big Turbo Fiesta ST to the next level with a Tunewerks custom and FULLY optimized ECU tune for your Cobb Accessport

Just be sure you have access to the chosen fuel

Ford Front Mount Intercooler Black Focus RS 2016-2018

Why choose the Cobb AP

Focus RS Custom Tune ECU Calibration by Tunewerks Ford Raptor or you can choose toFocus RS Custom Tune Maximize the performance of your Focus RS with a Tunewerks custom and FULLY optimized ECU tune for your Cobb Accessport. Nothing will surpass custom tuning when it comes to increasing the output of your turbocharged hot hatch! With high quality fuel you can expect average peak to peak gains of 70+ WHP and 80+ WTQ compared to the stock ECU calibration. Our 93 octane test vehicle gained 79 horsepower and 107 ft. lbs. of torque AT