Garrett G25 / G30 / G35 / GT30 / GT35 single scroll (open) turbine housing V Band outlet flange
If you need a clamp for this flange, you can find it here
74mm ID, 90mm OD V Band flange for exhaust fabrication to mate to Garrett GT30/GTX30/GTX30 Gen 2 and GT35/GTX35/GTX35 Gen 2 turbine housing
74mm ID, 90mm OD V Band flange for exhaust fabrication to mate to Garrett GT30/GTX30/GTX30 Gen 2 and GT35/GTX35/GTX35 Gen 2 turbine housing