it won't fit, well it will fit, but the 3 bolt flange than bolts to the turbo outlet is 10-15 degree's off in rotation. What i did the first time we built a turbo system for the car, was grind out the weld, bolt it in place, and tack weld the flange into it's new location.
the turbo outlet on a sr20 has 5 bolts and the turbo outlet on a ceffy has 6 bolts so that wont work.
If you want my advice, if you can't do it yourself, buy the proper stuff the first time around. No point in mucking around with this crap like i have to, when you have the parts available to you on the continent!