im gonna get long tube headers now since there is gonna be a greater flow will the O2 sensers on the headers cause the check engine light to come on? if so what should i do?

and i have elimantors for the O2 mid pipe sensors but what about the the header sensors?

 

no the O2 sensors on the header will not be affected, leave them alone, they are there to work in conjunction with the MAF to ensure the proper A/F ratio.

 

you will probably need an extension for the pass. side o2