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Toyota GR Yaris – Custom EcuTek Tune (271bhp ➝ 317bhp)

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The car arrived with a strong selection of supporting modifications already fitted, allowing us to focus purely on optimising the ECU calibration using EcuTek software on recommended 99 RON fuel.

Existing Modifications

  • Milltek exhaust with GPF delete pipe
  • MST V1 intake kit
  • Airtec intercooler
  • Airtec catch can

ECU Calibration

Power Results

  • Before tuning: 223whp (271bhp)
  • After tuning: 263whp (317bhp)

A strong 46bhp increase, delivering improved throttle response, stronger mid-range and smoother overall power delivery.

Considering an EcuTek Tune for Your GR Yaris?

If your GR Yaris is already running supporting mods and you want to unlock its full potential with a proper, custom EcuTek calibration, get in touch with Whifbitz. We’ll advise on suitability, fuel requirements and get your car booked in.

👉 Contact us today to discuss EcuTek tuning for your GR Yaris.

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