I installed my new Y Pipe last night. It's an Armytrix Titanium Racing Y Pipe. It's not flexible like the factory pipe so I had a bit of a hard time getting it lined up perfectly. The flange where the Y Pipe meets the factory titanium cat back does not mate perfect, I even loosened off the hangers for the cat back to try and get them to mate perfectly flat and they do not. There is carbon on the heat shield from before indicating that this issue existed before. Is it something I should even worry about? I come from a machinist background not a mechanic so sometimes I'm one to overdo things. Any input I'm sure would be helpful.
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BMR_GTR
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