anyway, if you want a greedy in your altima, i think theres going to have to be some major modification. pretty sure greedy dosen't make turbos for 93 altimas. also, is it really worth it? i can see this costing you well into the 3000 or 5000 dollar range. i dunno, i'm not the turbo guy, so you'll have to talk to them.
I get a pretty good deal from ATP. For a daily driver I would recommend the gt28rs. Expect boost to come in around 2200 with 10psi by 2800. This turbo on a ka is good for about 19-20psi. The 28rs is pricey, but def worth the extra money…imo. just about anything else related i can get a good deal on