Quote:
Originally Posted by CHRISP357
Sounds like what I'm looking for. No drone? What do you do about the O2 sensors left hanging?
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If your 986 is a 2000-2004 all the O2 sensors are up in the exhaust manifold with the integrated cats. The 2nd cat is not monitored by the ODBII system and has no O2 sensors. I have the 2nd cat delete on my 2000 and it did nicely improve the sounds and there is some of the burbling like you describe. It is a little louder too but not extreme. I like it!
Steve