[Jgaris19]

So I’m in the middle of installing rre headers on the eclipse. What is this first cupling or whatever you wanna call it for? It’s way too big for one of the o2 sensors and there are two other cuplings that are actually for the o2 sensors. Am I completely missing something or...

 

[Jgaris19]

So I’m in the middle of installing rre headers on the eclipse. What is this first cupling or whatever you wanna call it for? It’s way too big for one of the o2 sensors and there are two other cuplings that are actually for the o2 sensors. Am I completely missing something or... View attachment 102983
View attachment 102982

Wait that’s the rear header isn’t it smh

 

[Sabertooth^2]

Yep. EGR

 

[Jgaris19]

Yep. EGR

Yup got it thanks. Also... trying to take the y pipe out and.. wtf is this? All thread with a nut? This is where the rear header feeds into the y pipe

 

[Waynerwats]

Its a stud with a nut on the non threaded flange. There is a good chance that if the nut isn't broken free the whole stud will come out with the nut.