Your opinion please on a Ypipe variation

I like the idea of the inserts but I would turn it around, make the "atmospheric" pipe the straight one and the "muffler path" the one that has a slight bend in it


either way, I don't think this will work out though, with that huge hole right on the joint of the pipe, seems to me that would cause a ton of turbulence and noise no matter what insert you are running