After thought
Another thing that you can also do is put a spark plug defouler in around your second O2 sensor and then you may be able to go completely catless w/o a CEL
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-Jeff-
"I'm a glutton for punishment when it comes to my boxster"
'03 S/ PSS9/ B&M short throw/ EVOMS intake/ NHP full exhaust w/ headers / Cantrell MS custom tune
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