Hot rod did a test (is a you tube videos of it) where they did back to pulls on a set of headers. Then took a hammer and beat a dent into a tube ....made a pull...more dents...a lot of dents. And I think was like a 6 or 7 hp loss. And the headers looked like junk
I watched that some time back.. I do have a
couple of questions on it.. first.. if a bented
up set of headers works just as well.. doesnt
that give you the idea that the area of those
were to large to start with.. second.. if that
held true.. why arent all the pro stocks beating
up there headers.. my opinion on that vid is they
were too big to start with.. but a lot of people
use to big
