This is a dumb question, but where in the world do you buy these y-pipe flanges?
I've looked on eBay and online but the only flanges I'm finding are the exhaust manifold to engine type flange or the exhaust to catalytic converter type flange.
On the turbo y-pipe I built a few years ago I just cut up an old y-pipe I had and took the flanges off of that, but I don't have an extra y-pipe I feel like cutting up this time. Surely you can buy these flanges somewhere

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Desperately looking for a 5 speed axle carrier bracket. Either VG or VE will work. PM me if you have one!
Good working door lock timers $20 shipped. PM me if interested