Originally Posted by Pamlico
Does this significantly affect emissions? Levels are checked in NY State during yearly vehicle inspection. Thanks.
"Levels" are not checked in NY. Readiness and no-CEL is checked via OBDII, a visual is performed which is a joke. Our exhausts are not sniffed. The front cats are good enough to pass even a sniff in a tree hugging state, the rear O2's are upstream of the secondary cats.