Sure looks like the good ole Schrappnel Knobben except a lot more complicated. Maybe its a 20V thing, but the orginal works great on my 10V with out a ton of that extra plumbing. > 1. Re: More boost : what is the easiest, fastest, safest bang > for the buck ? (Keith Lloyd) > Louis-Alain > http://autospeed.com/cms/A_111350/article.html