Those are just EGR pipes - that's the solenoid for the EGR. The one by the battery is for the air doser I assume.
As for the inlet elbow, that does look a bit low for a gauge nipple! Its only a few bolts to take the elbow off though. And yes, if you go for an FMIC, that's the elbow you change for a C5 (iirc) one.
Also, the rusty nail with a flat head slot, that's a screw.
As for the inlet elbow, that does look a bit low for a gauge nipple! Its only a few bolts to take the elbow off though. And yes, if you go for an FMIC, that's the elbow you change for a C5 (iirc) one.
Also, the rusty nail with a flat head slot, that's a screw.
