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This is a Stage 1 tuning file for the iconic Volkswagen Golf 5 GTI 2.0 TFSI, equipped with the Bosch ME9.1 engine control unit. This calibration is designed for a completely stock vehicle, requiring no hardware modifications, and delivers a significant improvement in performance along with an...

Unleash the rally-bred performance of your Subaru WRX STI with this comprehensive Stage 1 tuning package. Specifically calibrated for models equipped with the Denso 68HC16-based ECU, this package offers a significant boost in power and driver engagement for an otherwise stock vehicle. This...