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Originally Posted by Sharkbait40
The top of the flanged downpipe is wider then the widest point of exhaust manifold output flange so, when you tighten it using the provided two bolt retainer clamp it tops out on the manifold before making the flange to flange joint tight. I'm sure that alot of people have had good experiences with them, unfortunetly I got pipe that was out of there admitally normal tollerences, modified it per there instructions and now still have a problem.
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This problem is caused by one of two scenarios. Sometimes because old manifolds deteriorate, the ball becomes too small and sometimes the pipe flare can be too wide. Either scenario can prevent a nice seal. This is the first time I have ever received a complaint that the flare had to be ground down so far that the flange could no longer grasp the flare and went right over the pipe. If the pipe flare is too big to start and there is X amount of distance between the stud and the inside edge of the manifold, then grinding the flare so that it is still larger than the edge but smaller than the stud edge would solve the problem. Either the flange opening was too big or you over-ground the pipe flare. Usually a maximum of 1/8" is sufficient to allow the flare to seal to the manifold.
Please take some pictures of the manifold ball and studs as well as the pipe flare. Also post the ID of the flange hole and the ID of the distance between the studs. If the pipe was misformed or the flange was the wrong size, you'll get a new pipe. I will post a picture(s) of this and we can compare the two and hopefully solve this problem.
btw, This area is to help members with exhaust solutions, not to vent about disatisfaction with the way a supplier handled a situation. We have a separate forum for that. If this topic turns into a bitch session, I'll have it moved or deleted.