Cool Cat Delete Pipes 2022. One before the cat, on the downpipe, and one on the. Could be an option for you.
At first they would easily pass smog, but after some miles on them they would no longer pass the sniffer test. Doug thorley 86416 stainless steel muffler delete kit w/polished tips 2011 2013 mustang gt 5.0. The only way to gain, is to use straight pipes and have the o2 senors skrewed directly into the straight pipe.
