03 Lancer Es Manifold Cat
 

Hi after trying to find a solution to this issue ended up here. Was wondering if i delete the manifold cat with an exhaust header kit but keep the second cat will i be able to pass emissions. I live in nj so dont have to worry about ca/ny emissions. They dont do smog test. they just hook up the obdII sensor and usually check from there.
The headers have a spots for an o2 sensor and includes front exhaust pipe portion so should bolt directly into the rear cat.

Any codes this might throw or does it only measure the o2 sensors?