im installing the pacesetter header on my 2.2l cobalt ls, and there is whta looks like an egr port or valve on the top of the stock manifold and it runs to this pump under my car.. id ont tknow what the hell it is and i need help!!!

 

Sounds like an air pump. Didn't know they where still using those. It use to be for emissions

 

what the hel do i do...

 

When my buddy put headers on his camaro we drilled and tapped holes in his headers

 

New Sticky!
https://www.cobaltss.net/forums/show...625#post628625