More than that...
Originally Posted by LaCrosse540i6
OBDII would include post cat sensors, so you would have to plug those up.
You need to cut a O2 bung pre cat and plug the two that are post cat...they sell plugs at muffler shops...I got mine cut and plugged for like 33$
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Last edited by Gooby; 11-18-2010 at 10:40 PM.