questions about putting a header on a 98 hx

[98civichx]

i am going to put a header on my 98 hx what do i need to do to get the check engine light from comming on???? i know i need to have a bung put in for the lower o2 sensor, but what else should i have to do????? any help is needed and welcomed. thanks

 

[knockoff]

Originally posted by "98civichx"

i am going to put a header on my 98 hx what do i need to do to get the check engine light from comming on???? i know i need to have a bung put in for the lower o2 sensor, but what else should i have to do????? any help is needed and welcomed. thanks

buy a high flow cat, some of them come with a bung for your second o2 sensor.

--- that's what i did!