Quote:
Originally Posted by jrblackman
There are no 02 sensors in or after the secondary cats so you should not get a CEL or a code in your OBD II reader by eliminating them. I have read elsewhere here that the car will pass the sniff test without them as well but I live in MI, not CA, so I can't confirm that.
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That depends on the model year of your car. My 2003 S has O2 sensors before and after the secondary cats.
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2003 Boxster S
| 987 Air Box | K&N Air Filter | 76mm Intake Pipe| 996 76mm TB | 997 Distribution T | Secondary Cat Delete Pipes | Borla Muffler | NHP 200 Cell Exhaust Headers |
Last edited by KRAM36; 04-24-2015 at 05:13 PM.
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