Speed Daddy Headers on Ebay?

Say they fit the mid gen A bodies, are made from Stainless, and cost $210. Can this be legit? Any experience with these?

Here is the link: STAINLESS STEEL HEADER EXHAUST MANIFOLD FOR 67+DODGE/PLYMOUTH 273-360 MOPAR V8 | eBay
they look nice, but I stopped reading when it said no instructions included. That sounds to me like a wild a$$ guess on the fit.