<https://www.ffcars.com/threads/4into4-full-length-headers-flange.4540/>
<http://schema.org/articleBody>
"Hi Gents, \n\nwithout getting into a long story... can someone check the thickness of the FFR 4into4 Full Length Hooker Headers.  I need to know if the Flange to the Head is about 10mm / 3/8\"+ thickness. \n\nThank you \n\nRon"
<https://www.ffcars.com/threads/4into4-full-length-headers-flange.4540/>