anyone have the spoon intake manifold gasket? does it produce the 15+ that i hear about.....dyno sheet would look nice......i want one if its worth it where to find?????/ thanks guys

 

My roommate tried it out a long time ago on his B16, and it make some midrange power, but fell flat on it's face on the top endThere's a bunch of threads on it, just search archived, "ventuli" and you can read through the posts.