Yes, that's a real sky in the first 2 pics, captured it with exposure bracketing.
This is not an STi, just a WRX that looks like an STi. 
Camera: Canon 1D MKII
Lenses: Canon 16-35mm 2.8/f L, Canon 50mm 1.4/f, Canon 70-200mm 2.8/f IS L
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IMAGE:
http://www.odgmediainc.com/samples/wrx/08.jpg