hey guys i had my air egr and rear 02 deleted from my pcm. i baught headers that have the air and the rear 02. so do i just go to a plumbing store and get something to fill them, and just tiewrap the wires up and thats it?

 

If the headers you bought have 02 sensor bungs, those are for the front 02 sensors so you will have to install those. The rear 02 sensor harnesses you can secure with cable ties though.

 

As stated above, the headers use your front O2 sensors. These are necessary for the engine to run in closed loop. The rear O2 sensors mount downstream of the cats; they are used to monitor the cats and are what have been programmed out of your PCM.