Thought someone might be interested in this.

http://cgi.ebay.com/ebaymotors/ws/eB...category=36474

What benefit would one get from removing the "butterfly"?

 

better airflow... most likely more backfire. I have a similar manifold sitting in my floor right now. I already have the butterfly d/c on the manifold on the car, may as well take it out completely, i just don't have the gasket for manifold to engine..

 

Backfire........hmmm. Well, I sure as heck don't want that! My seven is loud enough as it is!

Now, go to your local Mazda dealer and get that gasket right now!

Just kidding, thanks for the reply man.