The welds look like shit.  Maybe i can teach you a little something something…lol  jk.   Mine always come out like that too.  Did you check if you have any leaks?
why didnt you just buy U bends from KS, and weld  a couple straight to it?
either way.Nice job. I know those downpipes can be a bitch sometimes…so ahhh, fuck yeah… :tspry: :tspry: