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  1. Best Tuner

    Focus RS Discussions
    What's up guys my first post here, however a while back I was receiving custom calibrations with Randy Robles and just purchased a Mountune intercooler from them. Today I found out that Mountune is no longer doing custom calibrations and I don't know who to go to for a custom tune. I already...
  2. MAP Sensor Question For the Tuners......

    Focus RS Performance
    After reviewing the calibration (using HP Tuners) the TIP Sensor and MAP sensor have identical calibration values. However, while logging data it is apparent that the two sensors are in fact no the same.... While the TIP Actual is reporting 77 inHg, the MAP sensor maxes out at 75.3 inHg while...
  3. JST Performance Official Intro Thread!

    JST Performance
    Hi guys, I'd like to officially say hello to everyone from FocusRS.org! We've been around the Ecoboost community for a little while now and have finally decided to further our business by officially joining the new FocusRS.org as a supporting Vendor. We've successfully tuned Hundreds of ecoboost...
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