ATP exhaust manifolds transport burnt exhaust gasses from the engine to the exhaust system. The best way to repair the broken manifold is to replace it with a new one. ATP (Automatic Transmission Parts Inc.).
it bolted right up with out any problem. only thing I had to do is make me some of the little metal plates to cover the holes for the smog junk because it didn't come with any or they wasn't any in the box but other than that i am well pleased with it