Is on my car since mid 2012 ( serial number 20, maybe the first one exported ) I'm REALLY happy with it.
Engine displacement doens't make diff. Is made for any engine.
I'd say the Chromed MP and FBO ( A688 ) would be about same performance response, but without the quality issues these got
Chromed MP started up faster my engine
FBO rpms response was about the same
Has being told the newer units got some more improvements, but can tell which are
NOTE: I'm not an expert making performance comparision, but honestly I wouldn't make a step back from my Rev-N-Nator.