We rely on the industry’s best tuning/flashing device, the COBB Accessport, to deliver our proven ECU calibrations. The Accessport coupled with mountune’s custom performance calibration, unlocks power hidden within the factory ECU calibration by replacing conservative factory settings with more aggressive calibrations. The COBB Accessport from mountune USA includes all of the standard COBB calibrations along with a custom mountune calibration* built to your specifications based on your modifications, octane, and preferences. The results are impressive gains in torque and horsepower with incredible custom features that can be adjusted to meet your requirements. Our calibration team has more Focus RS tuning experience than any other source available to you. Our team has spent countless hours on the dyno and track developing performance upgrades that perform in a wide range of applications. Choose from one of the many upgrade packages to enhance your Focus RS.
This part has been designed and is intended for off-highway application only. Installation of this part on a vehicle that is driven on public roads may violate U.S. and Canadian laws and regulations relating to emission requirements and motor vehicle safety standards. Click Here for Emissions compliance information.