EcuTeK GReddy ver. EcuTek is a cuttoing edge of 86/BRZ ECU tune. This is GReddy versio of EcuTek. By optimizing the program with the ECU tune for the fuel and ignition timing which changes with tuning, the original performance of parts and cars will be shown.In addition to basic correction, EcuTek GReddy version also carries out essential control for enjoying sports driving such as speed limiter cutting and radiator fan control. EcuTeK GReddy version Full data EcuTeK GReddy version Full data corresponds to combination with the following parts. Corresponding parts Muffler : CS-GTS, GS-GTS ver.2, Power Extreme R, Super Street Titan Air Cleaner : AIRINX-GT, AIRINX B * or Genuine