Found this on Ebay
do they look like AMS headers?
any weld cracks to expect?
http://www.ebay.de/itm/Mercedes-C-43...71109266850%26
here's a translation of Ebay auction:
Headers are made of the best Nirosta steel (stainless steel) 304, manufactured, according to seller there are no warping or cracking on the welds.


