Quote:
Originally Posted by 963mw
Quote:
Originally Posted by F87source
I believe the hsf4 is the latest and greatest kit, and that has all the install instructions for wiring into the ECU, so I recommend getting a new cpu. Otherwise I don't know what changes were made between the hsf4 and hsf5 but I recommend using their latest model.
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I just went on the website and nothing shows up for HFS5, so  |
It's an older system. My friend bought it years ago, but never installed it.