"Installing properly designed headers frees up the energy previously wasted pushing out exhaust, and allows it to be used in propelling the vehicle. This increase in efficiency brought on by the installation of headers can be thought of as “free horsepower.”





from http://www.thorleyheaders.com/tech_basics_triy.html



so if its "free" hp how come it still costs money?

maybe a buy 2 get one free deal?

false advertisng, now gimme some FREE stuff!

shipping fees! they are charging you for the trip from the motor to the atmosphere

that makem no sense.

??





"mmm free goo."

-Homer Simpson

Thats like charging a TOLL to drive on the FREEWAY!

or to park in the driveway!

It's just pulse tuning, doesn't really work for turbo engines anyway https://www.nopistons.com/forums/pub..._DIR#>/sad.png



Mark

There is no such thing as "free" horsepower. I checked. https://www.nopistons.com/forums/pub..._DIR#>/sad.png



On second thought, there is. It's called "weight reduction." https://www.nopistons.com/forums/pub...IR#>/smile.png