Ive never heard of that... Maybe an SSAutocrack, but no good manifold will crack.... That is why most popular tubular manifolds have lifetime guarantees, such as my SFP, and all the more expensive brands... You are entitle to your opinion of course, but A tubular manifold performace, and looks wise will always be better than a cast manifold.... There have been MANY tests to prove that as well....

And as for that rev hard mani.... What is wrong with the welds??? They actually look pretty good to me from what you can see in the pics... They look like some really clean, strong tigs... Although, youd really have to see the inside of the manifold to give an honest judgement as to how good they are, based on wether the proper back purging was used etc.......