Ford tested headers for out trucks?
Ford tested headers for our trucks?
Quoted from here.
I didnt know this. It would have been cool if they offered it as an option if they thought it was too noisy...
Even the stock cast-iron exhaust manifolds were used. Steel headers were tried but proved too "noisy"-too bad.
Last edited by J15BIG; Aug 25, 2002 at 06:49 PM.


