Well that kinda changes my post. I'll have to edit it.
I do see the correct momo wheel and 170MPH gauge faces (although they are badly peeling). I can't see the saleen ID plaques though from that angle.
I think it is a true Saleen now, but it's been really DE-saleenized. In fact, the rear bumper looks like the lower GFX has been pulled off. It's missing a lot of external Saleen features like rear lower GFX, front nose, correct Saleen exterior decals, and the wheels. It's missing the windshield banner, the lower GFX stripe kit and the "Racecraft suspension" decal. The tailpipes are also hanging slightly lower than the standard GT tailpipes of that year, which was necessary to clear the Saleens rear bumper. I also beleive the spoiler may be authentic. The 1986 Saleen had the '85's spoiler which lacked the 3rd brake light. So Saleen tacked a brake light onto the hatch under it. I beleive in the last of the pics above, you can kinda see the outline of rust from it. Take a look at this pic and then compare it. Either way, a non-brakelight Saleen spoiler is VERY rare and worth a lot of money alone.
I'd like ot know what number it is
Here is Saleen 86-091
http://www.pbase.com/bdlmotorsports/1986saleen