Originally Posted by Jrollsp
I got a CEL after installing the fabspeed hfc & xpipe. I bought some angled extenders and got a CEL again. I adjusted it by pulling it out some more and I haven't got a CEL since. You just gotta play with it a little and you can avoid getting a CEL.
I guess you failed to read any of this thread. If you had you would realize we are talking about catless cars, you have high flow cats, totally different.
O2 extenders do NOT work on an s65