Originally Posted by
Marylandrauder
I thought there were only 2 o2 sensors, when I got underneath the car I saw 2 sensors after the first set of cats, I dont think there are any sensors after the second set of cats, I will check tonite, I am going for my test in august, they just plug into the spot underneath my dash to see if there any codes, I have to wait till then because i missed my last date, they are supposed to mail me something soon, whats the point of deleting the two rear sensors, where are they, if they are behind the first set of cats I should be fine, I have listened to cars with the magnaflows, a little to loud for me, cats first, maybe resonator delete tips if I want more sound then maybe mufflers.