i brought a S4 turbo manifold on a yunk yard yesterday and after i came home with it and look it today, i took the heat shield off and i found a crack about 2 inches long. my question is can i weld it until i can get a new one? how long it hold? thanks

 

is the exaust one.

 

I wish I found crack in my turbo manifold... then I could sell it and afford **** like the engine to go with the turbo manifold....