Big K29 turbo and 934-inspired 'exhaust. ' Lüfteknic #projectstuka Porsche 930 Turbo Big K29 turbo and 934-inspired ‘exhaust. ‘ Technical Details Camera: NIKON D5000 Taken: October 10, 2014 Focal length: 18mm Aperture: f/3 Exposure: 1/15 second ISO: 800