Right now I have an HKS hi power fitted, non silent version, it's not terrible but a slightly loud and droney in the lower RPM for my tastes, I can't find paper specs. Leglis super R looks easy to get hold of and on paper maybe borderline for our regulations, anyone running this? I've seen a couple others mentioned from a while back but haven't been able to dig up much more on those. Just looking for any advice before risking a bunch of money testing out the fujitsubo