89663-53841 Stage1 E2 noCHK

Lexus LS250

ZIP Contain:

  1. 89663-53841_Stage1_E2_noCHK.bin – tuned file:
    • Stage1. Dynamics Improved (performance of an engine optimized)
    • Rear O2 Sensor Disabled. Decat – catalyst control Disabled. Related DTC’s Off
  2. 89663-53841.bin – original ECU’s file, make sure it matches your ECU’s software

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