Custom eTune for the 2013–2018 Ford Focus ST via COBB Accessport. Calibrated to your exact modifications and fuel setup to improve drivability and overall performance, while maintaining safe limits based on your hardware and fuel quality. Same-day e-tuning available by schedule. Fitment 2013–2018 Focus ST (2.0L EcoBoost, 6-MT) Requirements / Recommendations COBB Accessport Vehicle must be healthy with no active DTCs or leaks 1-step colder spark plugs (NGK6510's), gapped to our recommendation Fuel: 91/93 octane; Ethanol blends available where the fuel system supports it (ethanol content must be tested) Policies (summary) No refunds once the initial calibration is sent 30-day tuning window begins when the initial file is delivered If no datalog is received within 30 days, the session becomes inactive; resuming later requires a Re-Engagement Fee Warranty disclaimer: an eTune may affect your factory warranty; all tuning is at your own risk NotesResults will vary depending on vehicle health, supporting hardware, fuel quality, and conditions. Calibrations are provided in compliance with applicable laws; emissions systems are not disabled. See full Terms & Conditions for details.
