Ok, well all those tests said there was a negligable gain, if any. .4% was the biggest I heard. Also, no change in horsepower.

There you have it, it has been proved to increase gas milage without decreasing available power

I mainly read those articles to make sure I wasn't -losing- power or gas. And since I'm obviously not, I won't take it off.

BTW: I traded some wacky tobaccy to an owner of a local shop for it, plus have him install it. Total loss to me = $15.00. I'm not too dissatisfied. Plus it makes a cool fake turbo sound with my intake