Don't really serve the RSM purpose actually, unless VAFC kaa, maybe good for tuning purpose. RSM most likely to eliminate speed-cut (180 kmh) on JDM vehicle. Donno whether Wise got speed limiter or not!
I'm a rx-7 fan here and I've found this useful guide book from the net (I forgot where). I'm not sure this guide book has been posted before or not. But just to share here with all of you RE fans about this...