I had one of their kits for my 04 GT. You get what you pay for and for a cheap turbo kit, it still made me wish I had gone with a supercharger or paid up for a hellion kit.
Fitment was terrible. I had to have a fabricator tear most of it apart and cut/weld pipes and fittings to get it to fit decently. After paying for that and some other issues, the kit ended up costing me a whole lot more in the end. Probably close to a Hellion kit, but it was still an On3 kit...
They may have changed since then ('10 IIRC..) so I can't testify to that.
Also, my motor chunked a piston at the track, but I don't know how a 96 cobras internals are vs. a stock 2v.
Good luck with whatever you decide.