Originally Posted by Jmneal
I thought you only needed to do that if you removed the cat. I didnt do that and my CEL has yet to come on. So I would say no you dont need to.
|
its recommended tho :/ only cus the header allows more free flow so the o2 sensor is gonna pick up the new air change causing a code to possibly turn on. but if it hasnt happened to u than i guess u dont need it.