FAST 301409 XFI Qwik Tune Calibration Selector Switch Kit
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The FAST XFI ECU has the ability to store up to four calibration files. Qwik Tune Calibration Selector Switch by FAST allows you to select from up to 4 tunes on the fly by simply pressing a button. If the Flash Enable Input is wired to the switch this will allow the Calibration Select Switch to double as Flash Mode Switch.
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