These Giant bastards were on my V8 Fiero. They have a 2.5" Dia x 3" pipe welded to them with a 2 Bolt flange so I could run open exhaust.
I was gonna run them on my EF , but I am doing a side exit exhaust and they would be scrapin the ground.

so , my loss , is your gain..

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Or trade for some sort of T3 based turbo....