What transmission you running ? i think i got a couple h23 and i hear there pretty good for boost on h22s that t2t4(f20b lsd trany) i gave my dad to put in his car (we took the m2b4 lsd trany out) would be nasty in there . Mainstream has one for sell in that ek hatch there parting out wow i realy keep up with the h series shit to much lol. I seriously couldnt tell you shit about a b series as far as specs and shit as much honda knowledge as i have lol.