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When upgrading your turbocharger it's even more critical that you acquire purpose built programming
Maximize the performance of your Focus RS with a Tunewerks custom and FULLY optimized ECU tune for your Cobb Accessport
Crank up the performance of your Focus RS with a Cobb Accessport and Tunewerks X1 FULL SEND custom tune package
No cutting or fabrication required for installation
Just be sure you have access to the chosen fuel
Focus RS Econboost™ ECU Calibration by Tunewerks Fuel:E20 When upgrading your turbocharger it'sFocus RS Econboost Ethanol Tune Service Increase the performance of your 2016 2018 Focus RS and save money with a Tunewerks Econboost Ethanol Tune for your Cobb Accessport. With the current global situation and standard fuel prices going up steadily, Tunewerks is providing a very affordable and easy solution for increased performance while making every dollar count when it comes to filling up your tank. Tunewerks have created Econboost ECU
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