Internal voltage regulator

Is it worth the cost and time? My Duster has the Direct Connection blue voltage regulator, which I understand is only for racing applications. I could replace it, but nowadays I'm not sure which unit is reliable. I considered doing the internal voltage regulator conversion, but I see that it's apparently only for the square back version. I currently have the round back version.
So... do I need to pick up a square back version, or would an external regulator be a better option? If that's the...

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Author: admin