...off the O-2 censers? I’ve bought 2 high flow catalytic converters universal fit for my Chrysler and I was told that it may throw of my censers and make my check engine light come on. I called Magnaflow and they told me that it ‘shouldn’t’. I already have a Magnaflow muffler need to get cats. replaced holes in both. please don’t dis on my Chrysler need real opinions